-Have you seen your nephew lately? ---Yes in fact I saw him yesterday. I him

问题补充：

------ Have you seen your nephew lately?

------ Yes, in fact, I saw him yesterday. I him for three years.

A. haven’t

B. didn’t

C. hadn’t

D. don’t

答案：

A. haven’t

B. didn’t

(答案→)C. hadn’t

D. don’t

解析：通过回答“我昨天看见他。”判断出“三年没见他”发生在昨天之前，应该使用过去完成时态，所以答案C。