元朝把臣民分为四个等级，地位最低的是：（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26916' and id < 2236054 and id<>'2236054' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26916' and id > 2236054 and id<>'2236054' order by id asc limit 5