A、Buses. B、Bicycles. C、Showers. D、Schools. C选项都是名词，和设施、交通工具有关。本题是细节题，从there are almost always conveniences like showers... 可以得知正

W: Hi, Tom. I haven’t seen you for a few weeks. What are you doing recently?
M: Oh, hi, Jean. Nothing special. I’ve been studying a lot for my final exam.
W: Well, the semester is almost over now.
M: Yeah. My brother is coming for a visit this summer, and we’d like to see some of the country. But traveling is so expensive!
W: Have you thought about camping?
M: Camping? I’ve never done that.
W: Why not have a try! I believe you’ll really like it. You can rent the equipment you need. It’s much cheaper than buying it or staying at a hotel. And being close to Nature is a good way to forget about our school for a while.
M: That sounds like a good ideal We can drive until we find a nice spot and just camp wherever we like. Oh, that’s so cool!
W: Well, actually not exactly. It’s usually illegal unless you camp in a designated area. But anyway there are many national parks, state parks and even privately-owned camp grounds around the country. You still have a lot of choices.
M: But that takes all the fun out of it!
W: Not really. Besides, there are almost always conveniences like showers at the camp grounds to make it a little easier.
M: Mm... sounds great! My bus is coming. I’ll talk to you about this later and get all the details.