—Michael was late for Mr.Smith's oral class this morning.

—      ? As far as I know, he never came late to class. [ ]

A. How come                

B. So what

C. Why not

D. What for

下列我国军事家中哪位不是“十大元帅”之一？（）

A、叶剑英

B、林彪

C、罗荣桓

D、毛 * *