6下表为美国《1981年综合预算调整法》中部分削减的内容及金额(单位:10亿美元)。据此可知美国政府政策调整的依据是( )<table style="border: currentColor; margin-left: -0.6pt; border-collapse: collapse; mso-border-left-alt: 0.5000pt solid windowtext; mso-border-top-alt: 0.5000pt solid windowtext; mso-border-right-alt: 0.5000pt solid windowtext; mso-border-bottom-alt: 0.5000pt solid windowtext; mso-border-insideh: 0.5000pt solid windowtext; mso-border-insidev: 0.5000pt solid windowtext; mso-padding-alt: 6.0000pt 6.0000pt 6.0000pt 6.0000pt;" border="1" cellspacing="0" _dj="MsoNormalTable"><tbody><tr><td style="padding: 3.75pt 6pt; border: 2.25pt solid rgb(0, 0, 0); mso-border-left-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">内容</td><td style="border-width: 2.25pt 2.25pt 2.25pt medium; border-style: solid solid solid none; border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">1982年</td><td style="border-width: 2.25pt 2.25pt 2.25pt medium; border-style: solid solid solid none; border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">1983年</td><td style="border-width: 2.25pt 2.25pt 2.25pt medium; border-style: solid solid solid none; border-color: rgb(0, 0, 0) rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">1984年</td></tr><tr><td style="border-width: medium 2.25pt 2.25pt; border-style: none solid solid; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0); padding: 3.75pt 6pt; mso-border-left-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">医疗、社会保险</td><td style="border-width: medium 2.25pt 2.25pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">3.5</td><td style="border-width: medium 2.25pt 2.25pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">4.8</td><td style="border-width: medium 2.25pt 2.25pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">5.9</td></tr><tr><td style="border-width: medium 2.25pt 2.25pt; border-style: none solid solid; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0); padding: 3.75pt 6pt; mso-border-left-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">医疗、住房补贴</td><td style="border-width: medium 2.25pt 2.25pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">1</td><td style="border-width: medium 2.25pt 2.25pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">1.2</td><td style="border-width: medium 2.25pt 2.25pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">1.7</td></tr><tr><td style="border-width: medium 2.25pt 2.25pt; border-style: none solid solid; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0); padding: 3.75pt 6pt; mso-border-left-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">其他项目</td><td style="border-width: medium 2.25pt 2.25pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">21.8</td><td style="border-width: medium 2.25pt 2.25pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">29.7</td><td style="border-width: medium 2.25pt 2.25pt medium; border-style: none solid solid none; border-color: currentColor rgb(0, 0, 0) rgb(0, 0, 0) currentColor; padding: 3.75pt 6pt; mso-border-left-alt: none; mso-border-top-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-right-alt: 2.2500pt solid rgb(0, 0, 0); mso-border-bottom-alt: 2.2500pt solid rgb(0, 0, 0);" valign="center">35.3</td></tr></tbody></table>
A.科学技术新发展的推动
B.“经济复苏”局面的出现
C.凯恩斯主义理论的失灵
D.“福利国家”政策的破产
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