Ithrough that bitter period without your generous help.A. couldn't have goneB. didn't goC.

问题补充：

Ithrough that bitter period without your generous help.

A. couldn have gone

B. didn go

C. wouldn go

D. hadn gone

答案：

(答案→)A. couldn have gone

B. didn go

C. wouldn go

D. hadn gone

解析：句意：如果没有你的慷慨帮助，我不可能度过那段痛苦的时期。without your generous help=If I had not had your generous help表示虚拟语气，如果过去我没有你的慷慨帮助，所以主句应用could /should/would/might+ have+done.故选A。