问句：What did the policeman say to you just now?答语：He asked ( ) when the accident happened.A.what was I doingB.what I am doingC.what am I doingD.what I was doing
问题描述：
问句：What did the policeman say to you just now?答语：He asked ( ) when the accident happened.
A.what was I doing
B.what I am doing
C.what am I doing
D.what I was doing
答