【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. B、______ I’m going to ask you a few questions. Then we are going to have a short conversation inEnglish.Do you understand