it was the third time that he() of the changes of the meetingA:had informed B had been informe C.D.为什么选B?

问题描述:

it was the third time that he() of the changes of the meeting
A:had informed B had been informe C.D.
为什么选B?

A跟B的区别就在于A是主动B是被动

他被通知,由句义可知是被动语态,所以B

inform是及物动词,他被通知改时间了
如果是他通知别人改时间,应该要有宾语“别人”

第三次了
完成时
所以。。