He plained that this was the third time he of the changes of the meeting date.
A. would be informed
B. was informed
C. has been informed
D. has been informed
网友回答
A. would be informed
B. was informed
C. has been informed
(答案→)D. has been informed
解析：考查固定结构。this was the +序数词+ time+（that）…+had been done,这是某人第几次作某事，D项应改为had been informed.