听下面一段对话，回答下列问题。W: Good evening and welcome to this week’s Business World. It programs for and about business people. Tonight we have Mr Thompson who came to the US six years ago, and is now an established businessman with three restaurants in town. Tell us Mr Thompson, how did you get startedM: Well, I started off with a small diner. I did all the cooking myself and my wife waited on tables. It was really too much work for two people. My cooking is great. And word got around town about the food. Within a year, I Had to hire another cook and four waitresses. When that restaurant became very busy, I decided to expand my business. Now with three places my main concern is keeping the business successful and running smoothly.W: Do you advertiseM: Oh, yes. I don’t have any TV commercials, because they are too expensive. But I advertise a lot on radio and in local newspapers. My children used to distribute ads. in nearby shopping centres, but we don’t need to do that anymore.W: Why do you believe you’ve been so successfulM: Em, I always serve the freshest possible food and I make the atmosphere as comfortable and as pleasant as I can, so that my customers will want to come back.W: So you always aim to please the customersM: Absolutely! Without them I would have no business at all.W: Thank you, Mr Thompson. I think your advice will be helpful to those just starting out in business. What do we learn about Mr Thompson business at its beginning（）

A. He managed four restaurants without his wife’s help.
B. He and his wife did everything independently.
C. His occupation was both as a cook and a waiter.