若0＜n1＜n2＜n3＜1，且a=logn1m，b=logn2m，c=logn3m，则下列大小关系中①a＞b＞c②c＞b＞a③b＞a＞c④a=b=c，不可能的是（　　）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='13965' and id < 1142348 and id<>'1142348' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='13965' and id > 1142348 and id<>'1142348' order by id asc limit 5