关于原发性二尖瓣脱垂综合征的叙述，下 列哪项是不正确的

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31771' and id < 2540097 and id<>'2540097' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31771' and id > 2540097 and id<>'2540097' order by id asc limit 5