Peggy: Bill, I really need your advice. I don't know what to do.
Bill : (A).
P: You won't believe it! I accidentally found out about my surprise birthday party. I feel terrible. I didn't mean to. It was an accident.
B : Oh, no! (B).
这个在英语 (美国) 里怎么说？

P: You e-mailed Bonnie about the party, and she left her cell phone on the table to get a drink. I heard the e-mail tone and accidentally saw your message. I feel terrible.
B: That's too bad. (C).
P: I don't know what should I do?
B: Well, it is not a surprise now. (D).
P: I guess that's better than trying to act surprised at the party.

(A)(B)(C)(D) はどんな会話がぴったりきますか？