不参与构成胸廓的结构是（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28561' and id < 2331298 and id<>'2331298' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28561' and id > 2331298 and id<>'2331298' order by id asc limit 5