On our flight would be delayed, we made some other arrangements.
A. being informed
B. informed
C. informing
D. having informed
网友回答
(答案→)A. being informed
B. informed
C. informing
D. having informed
解析： 考查：on + doing表示一 …… 就，句意：一被告知我们的航班会拖延，我们就做了一些其它的安排。根据语意是被告知，所以选A。