阅读下面的短文，掌握其大意，然后从各题所给的三个选项中选出一个最佳答案。
The best place to buy a hamburger is a fast food restaurant. In these 41 ， people ask for their food， and 42 just a few minutes. Then when the 43 is ready， they 44 it to their tables by themselves. They can eat it in the restaurant 45 take the food out in a paper box and eat it at home， at work， or in a park. At some restaurants people can drive up beside a window. They ask for the food and a worker 46 it to them 47 the window. Then they drive off and eat in their cars.
Some fast food restaurants 48 sell fish， chicken， sandwiches， soft drinks and so on. Fast food restaurants are very popular because the service （服务） is fast and the food is cheap. 49 many people， this is very important. In the United States， about 20% of all married （結婚的） women with children work outside. They are often too 50 or too tired to cook dinner for the family at night. So fast food restaurants are a great help to people.
（ ）41. A. schools B. hospitals C. restaurants
（ ）42. A. stay B. wait C. find
（ ）43. A. time B. vegetable C. food
（ ）44. A. bring B. take C. teach
（ ）45. A. or B. and C. but
（ ）46. A. buys B. cooks C. sells
（ ）47. A. through B. on C. in
（ ）48. A. too B. also C. either
（ ）49. A. For B. On C. With
（ ）50. A. friendly B. scary C. busy
