下列属于完全协和音程的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31702' and id < 2537975 and id<>'2537975' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31702' and id > 2537975 and id<>'2537975' order by id asc limit 5