单选题A: Would you like a cup of coffee? B:（）A That’s Research and Development.B No， thank you.C Yes.D Thank you.
题目
单选题
A: Would you like a cup of coffee? B:（）
A
That’s Research and Development.
B
No， thank you.
C
Yes.
D
Thank you.
That’s Research and Development.
No， thank you.
Yes.
Thank you.