单选题
【正确答案】 C
【答案解析】[听力原文]
W: Hello, David.
M: Hello, Jane. How are you?
W: Fine. What about you? You look so depressed.
M: You said it. I"m tired of my job. The pay is too low. And it takes two hours to drive to work every day, you know.
W: Have you ever thought of another job, then?
M: Well, I"ve been thinking. I"d like to set up my own business.
W: Good. What do you have in mind?
M: I"m good at cooking western food, so I"m going to run a western restaurant. But I don"t know whether people will like my food.
W: It"s really difficult to get started, but you can do it well, I"m sure.
M: Thank you. I hope so.

Why is David so depressed?
【正确答案】 A
【答案解析】[听力原文]
What does David worry about for his own business?