问题
选择题
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
答案
答案：A
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。