We had much difficulty home in the snowstorm.A. walkedB. walkC. walkingD. to walk

问题补充：

We had much difficulty home in the snowstorm.

A. walked

B. walk

C. walking

D. to walk

答案：

A. walked

B. walk

(答案→)C. walking

D. to walk

解析：考察固定句式。固定句式：have difficulty （in） doing sth做某事有困难。在暴风雪里我们很难步行回家。根据句意说明C正确。