听第8段材料，回答第11至13题。 M: Anna, come in, please. W: Yes, Mr. Green. What would you like me to do? M: I need a bus ticket to Seattle. W: What time do you want to leave, Mr. Green? M: Well, tomorrow morning, as early as I can. I have an appointment before noon. W: There's a bus every thirty minutes starting at 5:30 a.m. M: In that ease, I'd like to leave then. Wait…My wife's going to drop me off here on her way to work. Could you book me a 6:30 ticket instead? W: Sure. Will it be one way or round-trip? M: Oh, I probably should buy a round-trip ticket now, since I'll be coming back tomorrow evening. Oh, is there a bus around 6? W: Yes, there's one at 5:45. You'd get back before 8 o'clock? M: OK, I'll take that one. I told my wife we'd see a movie at 9:30. Which bus would the man like to take tomorrow morning? [A] The 5:30 one. [B] The 6:30 one. [C] The 6:00 one.