You can never imagine what great difficulty I have your house. A. foundB. findingC. to f

问题补充：

You can never imagine what great difficulty I have your house.

A. found

B. finding

C. to find

D. for finding

答案：

A. found(答案→)B. findingC. to findD. for finding

解析：题中difficulty为先行词，后接定语从句(that) I have ，实际上构成一个固定句型：have difficulty (in) doing sth.。因为in 可以省略，所以选B。