The school he once studied in is famous.A. whereB. in whichC. in thatD. that

问题补充：

The school he once studied in is famous.

A. where

B. in which

C. in that

D. that

答案：

A. where

B. in which

C. in that

(答案→)D. that

解析：考查定语从句。先行词为The school，后面的从句中he once studied in后缺少宾语，故用关系代词which /that ，所以选D。