Wethe opportunity to go to France had it not been for Mary’s help.A. would have lostB. sh

问题补充：

Wethe opportunity to go to France, had it not been for Mary’s help.

A. would have lost

B. should lose

C. might lose

D. must have lost

答案：

(答案→)A. would have lost

B. should lose

C. might lose

D. must have lost

解析：考查虚拟语气。根据语境可知为过去时态的虚拟语气，故主句用would/could/should/might have done，选A。