You can never imagine what great difficulty I had his parents. A. findingB. of findingC.

问题补充：

You can never imagine what great difficulty I had his parents.

A. finding

B. of finding

C. to find

D. about finding

答案：

(答案→)A. finding

B. of finding

C. to find

D. about finding

解析：考查短语搭配。本题考查短语have difficulty (in) doing sth做某事有困难，根据句意选A。