A、Waitress and customer. B、Client and lawyer. C、Doctor and patient. D、Teacher and student. B 针对能否因不支付孩子的抚养费而对某公司提出诉讼问题，对话中的女士在向对

M: Do you have classes on Wednesday, Liza?
W: No, I don’t. Any suggestions?
M: Why don’t we go to the library? I know you want to find some model research papers, and I need to borrow some reference books for my book report.
Q: What does the man want to do in the library?

W: I’d appreciate your professional opinion. Do you think I can sue the company for not paying me child support?
M: I am assuming that you have a court or administrative order requiring the father to pay support, and you have an order to enforce.
Q: What are the two speakers?