We our lives had it not been for the policeman.A. would have lostB. should loseC. might l

问题补充：

We our lives had it not been for the policeman.

A. would have lost

B. should lose

C. might lose

D. could have lost

答案：

(答案→)A. would have lost

B. should lose

C. might lose

D. could have lost

解析：考查虚拟语气。句意“要不是警察帮忙，我们已经失去生命了。”had it not been for...是省略了if的虚拟条件句，主句用would have done。故选A。