We our lives had it not been for the policeman.
A. would have lost
B. should lose
C. might lose
D. had lost
网友回答
(答案→)A. would have lost
B. should lose
C. might lose
D. had lost
解析：因为had it not been for the policeman = if it had not been for the policeman (如果没有警察) ，显然是与过去事实相反的情况，主句中的谓语应是would have lost。