It shames me to say it, but I told a lie when ________ at the meeting by my boss．

It shames me to say it, but I told a lie when ________ at the meeting by my boss．

A.questioning

B.having questioned

C.questioned

D.to be questioned

答案及解析： C

解析：

本题考查状语从句的省略句，补充完整应为“…when I was questioned at the meeting by my boss”．