[单选题]以下关于主保护和后备保护的说法，正确的是(    )。(每题 0.5分)（0.5）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69426' and id < 4495715 and id<>'4495715' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69426' and id > 4495715 and id<>'4495715' order by id asc limit 5