Question

【题目】He looked around and caught a man ______ his hand into the pocket of a passenger.

A. put B. to be putting

C. to put D. putting

Answer 1

【答案】D

【解析】试题分析：句意：他向四周看了一下，看见一个男人正在把他的手伸进了一个乘客的手里。look around环顾四周；这里是短语catch sb doing看见某人正在做某事；某人与do是主动关系，故选D。