The police got to an old school the farmers used as a store.A. thatB. whatC. whereD. when

问题补充：

The police got to an old school the farmers used as a store.

A. that

B. what

C. where

D. when

答案：

(答案→)A. that

B. what

C. where

D. when

解析：考查定语从句.关系代词that指代先行词an old school在句中做used的宾语。