若“A可以分为B、C”是一个正确的划分，则B与C的外延间一定不能是 【 ]

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29437' and id < 2396782 and id<>'2396782' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29437' and id > 2396782 and id<>'2396782' order by id asc limit 5