--What did he say in of his stupid behavior?
--He admitted having made a serious mistake.
A. explanation
B. favor
C. case
D. fear
网友回答
(答案→)A. explanation
B. favor
C. case
D. fear
解析：短语考查题。in explanation of 作为对…的说明； in favor of 支持； in case of 万一； in fear of 恐怕 “对他的愚蠢行为他是如何解释的？”“他承认他犯了严重的错误”选A。