A、Because they have signed a very important contract. B、Because they will leave early tomorrow. C、Because they have got a good n

W: Good evening, sir. I’m the Assistant Manager.
M: How nice.
W: Yes, I’m afraid we’ve had a complaint about the noise from your neighbor across the corridor. He’s trying to get some sleep as he has an early start tomorrow.  I’m sure you understand.
M: Oh, I see.
W: Do you think it might be possible to ask your friends to be a little quieter? We do like to give our guests a chance of getting a good night’s sleep. It is well after eleven.
M: Oh, I’m so sorry. I do apologize. I suppose we were talking rather loudly. It’s just that we’ve signed a very important contract. We were having a bit of a celebration.
W: I’m pleased to hear it. Shall I ask Room Service to bring you some coffee?
M: No, that won’t be necessary. We were just about to pack up anyway.
W: Thank you, sir, and good night to you.