We the 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
网友回答
(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。