The policeman caught the thief has stolen Mr. Li’s computer.A. whichB. whoseC. whomD. who

问题补充：

The policeman caught the thief has stolen Mr. Li’s computer.

A. which

B. whose

C. whom

D. who

答案：

A. which

B. whose

C. whom

(答案→)D. who

解析：考查定语从句的引导词，which 用于指事儿；whose“谁的”； whom“谁”是宾格； who“谁”，是主格，先行词指人，关系代词在从句中作主语，所以要用主作格。