填人横线①处作为这篇公文的发文字号，正确的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31888' and id < 2549222 and id<>'2549222' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31888' and id > 2549222 and id<>'2549222' order by id asc limit 5