Question

-- 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

Answer 1

B

解析试题分析：A. in front of：在……前面； B. in explanation of ：对……作出解释；C. in case of：遇到……的时候；D. in fear of：担心……、害怕……。题意：他对自己的行为作何解释？故B项正确。
考点：短语介词。