Is this school you studied at ten years ago?A. whichB. thatC. whereD. the one

问题补充：

Is this school you studied at ten years ago?

A. which

B. that

C. where

D. the one

答案：

A. which

B. that

C. where

(答案→)D. the one

解析：此处的 the one = the school, 在定语从句中充当 at的宾语, 故定语从句中的关系代词that/which省略了。