The hospital has been set up in was a waste land many years ago.A. which B. that C. where

问题补充：

The hospital has been set up in was a waste land many years ago.

A. which

B. that

C. where

D. what

答案：

A. which

B. that

C. where

(答案→)D. what

解析：考查名词性从句。句中what引导宾语从句，在从句中作主语。句意：医院被建在多年前是一个垃圾场的地方。