问题

I am really surprised that a policeman in his car _____ have hit several common pedestrians, killing one and injuring three.— Yes, If one _____ ask for trouble, what can we say?[ ]
A: would, will
B: must, may
C: should, must
D: need, dare
B: must, may
C: should, must
D: need, dare
正确答案是: