A、On a plane. B、On a train. C、On a boat. D、On a bus. A

W: Would you like to see the menu?
M: No, thank you. I already know what I want to order.
Q: What is the probable relationship between the two speakers?

W: Good afternoon. I’m Rose, your flight attendant. Welcome aboard.
M: Hello. I’ ve got seat AS. I hope it’s by a window so that I can see the view.
Q: Where did the conversation most probably take place?