问题
单项选择题
Speaker A: Do you think you could keep the noise down a bitSpeaker B: ______
A．Yes, of course I could. I will turn it down a bit.
B．Oh, I beg your pardon. I think so.
C．Yes, sorry. Am I disturbing you
D．Sorry! Have I been keeping you awake
答案
参考答案：D
解析：A方显然在抱怨B方声音开得太大，B方应表示歉意。D项符合这一对话场景，其他几项都不恰当。