张某潜入陈某家准备行窃时，看到了陈某的癌症诊断书，张某随即心生悔意，放弃行窃，并迅速离开陈某家。张某的行为属于（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31295' and id < 2511103 and id<>'2511103' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31295' and id > 2511103 and id<>'2511103' order by id asc limit 5