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【单选题】
基于课本P82的数据库,执行如下语句: select count(*) , count(distinct ssex) from student group by clno; 以上SQL执行正确,请问结果是:
A.
8  8
B.
8  2
C.
2  2 2  2 4  4
D.
2  2 2  2 4  2
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相关题目：
【单选题】Which of the following is correct for the underlined word in the sentence? I had some milk and bread for breakfast today.
A.
/bred/
B.
/bri:d/
C.
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