being told与to be told

有读者问一道题：

For nearly three hours we waited for the decision, only_________to come again the next day.

A. being told　B. to be told

C. we were told　D. were told

答案为A，为何不选用B呢？

A和B都不错。A往往只笼统地指被告诉一件事，而B则往往比较具体，后可接by somebody等词语。