A、They are going to Michael’s. B、They are at Michael’s. C、They will go home by subway. D、They will treat Michael. B对话中，女士说他们应该上路

W: Don’t forget to buy some milk when you come back home; we have none in the fridge.
M: Well, I’m afraid I can’t go home on time today, as I have to meet a client in town this afternoon. But if you don’t mind, I will do the shopping.
Q: What’s the probable relationship between the two speakers?

W: We should probably hit the road, It’s going to take us two hours to drive home. Otherwise, we couldn’t make it before midnight.
M: You’re right. I’ll say goodbye to Michael and thank him for the treat.
Q: What can we infer from the conversation?