You can’t imagine what difficulty we had home in the snowstorm.A. walkingB. walkC. to walk

问题补充：

You can’t imagine what difficulty we had home in the snowstorm.

A. walking

B. walk

C. to walk

D. walked

答案：

(答案→)A. walking

B. walk

C. to walk

D. walked

解析：句意：你想象不到我们迎着暴风回家有多大困难。Have difficulty in doing做某事有困难，in可以省略，这里是what引导的感叹句，被感叹的是名词，故选A。