【单选题】

根据下面一段对话内容，从7个选项中选出能填入空白处的最佳选项，其中有两项为多余选项。

A、You must have wronged me.
B、Oh! I’m so sorry about this.
C、Please stop just a secon
D、
D、Are you Mr. Smith E．But may I ask you something first F．Is there anything I can do for you G．Now, sit down please. A、Excuse me. ______ B、Yes. You don’t know me,of course.I don’t teach here.I just give oral examinations here now and then.Don’t be nervous. A、Nervous Who Me