【单选题】

根据各级对话内容，从下面提供的5个选项中选出能填入空白处的最佳选项。

A、Thank you
B、It’s my pleasure
C、By the way
D、No, of course not
E、Never mind A、Would you sign the register please, sirB、Sure. ______, does my room have a private bathA、Certainly.Every room in this hotel has a private bath.