The thieves ran away as soon as the alarm . A. gave offB. put offC. showed offD. 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：句意：警报一响起，这个小偷就马上跑了。gave off发出 put off延期 showed off炫耀 went off（警报）响起，选D。