It was my fault. I you about the meeting earlier. A. should tellB. should have toldC. had

问题补充：

It was my fault. I you about the meeting earlier.

A. should tell

B. should have told

C. had to tell

D. would have told

答案：

A. should tell

(答案→)B. should have told

C. had to tell

D. would have told

解析：考查情态动词的完成式的用法：从第一句话，可知是过去的事情，用情态动词的完成式，should have done本该做而没做，would have done本来会做而没有做，句意：是我的错，我本来应该早点告诉你关于这个会议的。选B。