【题目】The boy ______ in the exam is a student in Class Nine.
A.catching cheating
B.caught cheated
C.catching cheated
D.caught cheating

【答案】D
【解析】考查非谓语动词。the boy与catch是动宾关系，应该使用过去分词作后置定语，相当于who was caught cheating，排除A、C；catch sb doing sth撞见某人正在做某事，排除B。故选D。