对于任意两个事件A与B，下列式子成立的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25280' and id < 2138939 and id<>'2138939' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25280' and id > 2138939 and id<>'2138939' order by id asc limit 5