--What did the teacher ask just now?

--He asked us _________.

A. if did we go over our test paper.

B. whether do we come to school by bike

C. what we were doing at that time yesterday.

D. when we will have a football game

—What did the teacher ask just now?

—He asked us ________.

　　　 A.if did we go over our test paper

　　　 B.whether do we come to school by bike

C.what we were doing at that time yesterday

　　　 D.when we will have a football game