I did not see Peterson off at the railway station....

Câu hỏi: I did not see Peterson off at the railway station. I feel bad about it now.

A. I wish I saw Peterson off at the railway station.

B. I regret having seen Peterson off at the railway station.

C. If I saw Peteron off at the railway station, I would reget it now.

D. If only I had seen Peterson off at the railway station.