问题
选择题
I ______ through that bitter period without your generous help.
A．couldn’t have gone
B．didn’t go
C．wouldn’t go
D．hadn’t gone
答案
答案：A
考查虚拟语气。without your generous help是含蓄的虚拟语气，等同于If it hadn’t been for your generous help, 与过去时相反，所以主句用could have done.