A、Sixty dollars. B、Thirty dollars. C、Ninety dollars. D、One hundred and twenty dollars. B女士说门票是每人90美元，看一场展览这个价太贵了，男士说如果你有学生证30美元就

W: Do you have an address where I call write to you?
M: No, I’ll be off camping in the mountains most of the time. But if you write to me at my uncle’s house, he’ll hold my mail until I get there.
Q: What will the man probably do?

W: The admission price is $ 90 per person. That’s really expensive for just one show.
M: You’re right. But if you have a student card, you’ll get in for $ 30.
Q: How much will a student have to pay for the show?