问题详情

Speaker A : Are you Ms. Kelsey. the office manager？
Speaker B : ______
A．Yes, I am. What can I do for you？
B．Oh, yes. What"s your name, please？
C．Yes. It"s nice to have you here with us.
D．Oh, yes. But I"m very busy now.请帮忙给出正确答案和分析，谢谢！