题目内容：
- Good evening, Professor Hardy.- Good evening, John. Come in, please.
- Thank you, I hope I am not interrupting you.
- No, ________.
A.thank you B.not at all C.thanks D.let it alone
参考答案：
选择题：- Good evening, Professor Hardy.- Good evening, Jo
- 题目分类：统考 英语
- 题目类型：选择题
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- Good evening, John. Come in, please.
- Thank you, I hope I am not interrupting you.
- No, ________.
A.thank you B.not at all C.thanks D.let it alone