听力原文：M: You'll never guess what! I've won ＄50,000 on the lottery. W: What... You lucky man! Well done! What are you going to do with it? M: I think I'll invest it for my old age. W: That seems the best idea, I think. What is the man going to do with the money he won? A．He is going to buy a lot of expensive things. B．He is going to buy a new car. C．He is going to make much more money with it.