A、By car. B、By bus. C、By train. D、By air. B

W: The shoes are on sale today. I got them just for a quarter of the original price.
M: You mean you paid only $ 30 for them?
Q: How much did the shoes cost originally?

W: You’re going to London tomorrow, aren’t you?
M: Yes. I thought I’d fly. But I decided that taking a bus would be cheaper than driving or flying.
Q: How will the man get to London?