Is this school you studied in two years ago?A. thatB. whenC. itD. the one

问题补充：

Is this school you studied in two years ago?

A. that

B. when

C. it

D. the one

答案：

A. that

B. when

C. it

(答案→)D. the one

解析：“这就是你上了两年学的那个学校吗？”这个句子缺少先行词，所以答案D。