The thief was about to leave the room when the police and caught him.A. got upB. turned u

问题补充：

The thief was about to leave the room when the police and caught him.

A. got up

B. turned up

C. kept up

D. made up

答案：

A. got up

(答案→)B. turned up

C. kept up

D. made up

解析：got up起来，起床turn up出现，把声音调大 keep up保持 继续 维持 make up组成；补足；弥补；编造,句意，小偷正要离开房间时这时警察突然出现抓住了他。故选B