It is greatly that he gave back the money he found on the bus.A. for his delightB. to his

问题补充：

It is greatly that he gave back the money he found on the bus.

A. for his delight

B. to his delight

C. to his credit

D. in his credit

答案：

A. for his delight

B. to his delight

(答案→)C. to his credit

D. in his credit

解析：考查固定搭配to one’s delight让某人高兴的是…；to one’s credit值得赞扬的是…；句意：值得赞扬的是他把在车上发现的钱还了回去。故C正确。