— I saw Mr Li at the meeting yesterday.

— Did you? He _______ have attended it, for he had asked for sick leave.

A．needn’t

B．couldn’t

C．shouldn’t

D．mustn’t

暴雨是指24小时降水量为（）

A.0.1~10.0毫米

B.10.1~25.0毫米

C.25.1~50.0毫米

D.50.1~100.0毫米