He made up an excyse when __ why he didn't turn up at yesterday's meeting.

问题描述:

He made up an excyse when __ why he didn't turn up at yesterday's meeting.
A questioned B.questioning C.to be questioned D,being questioned

excyse 因该是excuse借口.
应该选
A 省略结构,完整的应该是 when he was questioned .