A、Leave it at the airport. B、Give it to his friend. C、Take it with him. D、Throw it away. A推理判断题。本题询问男士会怎样处理那把小刀。在对话的末尾，女士建议男士把小刀

W: Excuse me, sir. Is this your luggage?
M: Yes, it’s mine.
W: Would you please open it?
M: Sure, no problem.
W: This knife should not be taken onto the plane.
M: It’s only a small knife. I thought it could be brought onto the plane.
W: I’m sorry, but it’s restricted by the regulations.
M: It was a gift from my foreign friend and I want to keep it as a souvenir,
W: It that case, you can leave it at the airport and get it back when you return.
M: Good idea. Thank you very much.
6. What is the man doing?
7. Why does the man want to keep the knife?
8. What might the man do with the knife?