【单选题】 A SELECT class_type，COUNT（*） FROM STUDENT GROUP BY class_type HAVING COUNT(*)>10 B SELECT class_type，COUNT（*） FROM STUDENT GROUP BY class_type WHERE COUNT(*)=10 C SELECT class_type，COUNT（*） FROM STUDENT HAVING COUNT(*)>10 GROUP BY class_type D SELECT class_type，COUNT（*） FROM STUDENT WHERE COUNT(*) >10 GROUP BY class_type
