He still remembers the days he spent with your family.A. whenB. whereC. thatD. on which

问题补充：

He still remembers the days he spent with your family.

A. when

B. where

C. that

D. on which

答案：

A. when

B. where

(答案→)C. that

D. on which

解析：考查定语从句，本题的先行词是the days，定语从句中that指代先行词在句作为动词spend的宾语。句意：他仍然几个在你们家住过的日子。故C正确。