下列情形，哪一项产生不当得利 之债？（)

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27073' and id < 2244117 and id<>'2244117' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27073' and id > 2244117 and id<>'2244117' order by id asc limit 5