Nobody can imagine what difficulty we had home in the snowstorm.
A. walking
B. to walk
C. walked
D. to walking
网友回答
(答案→)A. walking
B. to walk
C. walked
D. to walking
解析：考查非谓语动词和固定搭配。Have difficulty (in) doing sth做某事有困难，what difficulty we had home in the snowstorm是宾语从句，作谓语imagine的宾语。句意：没有人能够想象我们走雪地回家的困难。故选A。