Timothy: Stanley, there’s a Mr. Miller on the phone who wants to

Timothy: Stanley, there’s a Mr. Miller on the phone who wants to talk to you.
Stanley: _____ Can you ask him to hold? Tell him I’ll talk with him in a few seconds.
A、 Who is Mr. Miller?
B、 I’m busy at the moment
C、 I don’t know him
D、 What’s happened?
【正确答案】：B
【题目解析】：“斯坦利，有个米勒先生找你接电话。”；“我现在很忙。你能叫他别挂电话吗？”