The salesman scolded the girl caught and let her offA. to have stolenB. stealing　C. to s

问题补充：

The salesman scolded the girl caught and let her off．

A. to have stolen

B. stealing

C. to steal

D. to be stealing

答案：

A. to have stolen

(答案→)B. stealing

C. to steal

D. to be stealing

解析：句意是：销售员责备了被抓住偷东西的女孩，让她走了。这里过去分词caught是定语修饰the girl，而“抓住某人正在做什么”是：catch sb doing，用现在分词做宾语补足语，选B。