—Whatdidhesay

来源：语文精选馆 2.65W

—What did he say _______ his stupid behavior?

—He admitted having made a serious mistake.

A. in front of B. in explanation of C. in case of D. in fear of

【解析】句意：——他对自己的愚蠢行为作何解释？——他承认犯了一个严重的错误。in front of在……前面；in explanation of对……作出解释；in case of遇到……的时候；in fear of担心……、害怕……。故选B项。