35.—Why didn't you remind him of the possible danger?
—But what otherwise? He never listens to me.
A. could I do
B. could I have done
C. should I do
D. must I have done
网友回答
A. could I do
(答案→)B. could I have done
C. should I do
D. must I have done
解析:可联系答.案.网客服索取。