C徵清乐七声调式属于（ ）宫系统。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31701' and id < 2538043 and id<>'2538043' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31701' and id > 2538043 and id<>'2538043' order by id asc limit 5