I’m sure it wasn’t Mr. Park you saw at the confere...

Câu hỏi: I’m sure it wasn’t Mr. Park you saw at the conference because he is in Seoul now.

A. It can’t have been Mr. Park you saw at the conference because he is in Seoul now.

B. It couldn’t be Mr. Park you saw at the conference because he is in Seoul now.

C. It mustn’t have been Mr. Park you saw at the conference because he is in Seoul now.

D. It mightn’t be Mr. Park you saw at the conference because he is in Seoul now.