— I hope you liked the concert last night.— How on earth do you know I went to the concert

问题补充：

— I hope you liked the concert last night.

— How on earth do you know I went to the concert? I you.

A. haven’t told

B. hadn’t told

C. didn’t tell

D. won’t tell

答案：

A. haven’t told

B. hadn’t told

(答案→)C. didn’t tell

D. won’t tell

解析：考查时态，由时间状语last night，可以知道时态是一般过去式，所以选C，句子意思“你究竟怎样知道我去了去音乐会？我没有告诉你”