The detective found him guilty robbing the old man of his watch.A. in B. ofC. withD. on

问题补充：

The detective found him guilty robbing the old man of his watch.

A. in

B. of

C. with

D. on

答案：

A. in

(答案→)B. of

C. with

D. on

解析：句意:这名侦探发现他因为抢了老人的手表而内疚。be guilty of 为……感到内疚，有罪。这是一个固定搭配，故选B。