The police got to was once an old school the peasants used as a store .A. what that B.

问题补充：

The police got to was once an old school the peasants used as a store .

A. what , that

B. where , which

C. where , that

D. which , where

答案：

(答案→)A. what , that

B. where , which

C. where , that

D. which , where

解析：what 等于 the place that后为 that引导的定语从句。