It is the years we spent together at college have a deep effect on my life.A. whichB. tha

问题补充：

It is the years we spent together at college have a deep effect on my life.

A. which

B. that

C. when

D. where

答案：

A. which

(答案→)B. that

C. when

D. where

解析：本题考查强调句。强调的是句子主语the years，定语从句we spent together at college修饰主语the years。故选B。