You never imagine what trouble I have this paper in my house.A. findingB. to findC. foundD

问题补充：

You never imagine what trouble I have this paper in my house.

A. finding

B. to find

C. found

D. for finding

答案：

(答案→)A. finding

B. to find

C. found

D. for finding

解析：考查短语：have trouble in doing sth 做什么事情有麻烦，句意：你根本不会想象出我在我房间找这篇论文有多么的麻烦。所以选A。