The thieves ran away as soon as the alarm . A. gave offB. put offC. showed off D. went off

问题补充：

The thieves ran away as soon as the alarm .

A. gave off

B. put off

C. showed off

D. went off

答案：

A. gave off

B. put off

C. showed off

(答案→)D. went off

解析：考查动词短语辨析。A发出（光，烟，气味）；B推测；C炫耀；D（警报）响；离开，消失，开火；句意：警铃一响，小偷们就跑走了。根据句意说明D正确。