Could you give us the reason why you didn't do as ？A. were toldB. to be toldC. told toD.

问题补充：

Could you give us the reason why you didn do as ？

A. were told

B. to be told

C. told to

D. told

答案：

A. were told

B. to be told

(答案→)C. told to

D. told

解析：as后是一个省略句,补全后是 you were told to do.