阅读理解。 In London there are a lot of restaurants(饭馆) run(经营) by foreigners.Visitors say in these restaurants they don't feel   they are in Britain.  Most of   the British people eat at home.  Sometimes they    themselves   will think they are in another country when they are in these restaurants.A man who has dinner in a restaurant may find that he can't quite understand menu(菜单) because every dish is written in Chinese,French or Italian. British people think it is better to eat at home,for it is cheaper.They like quick meals which won't take much time to cook.But for Christmas,they will spend two or three weeks on preparation(准备) in order to(为了) have good food. 1.Visitors to London often eat in restaurants for . A.they don't like the food at home B.their homes are not in London C.they like the British food D.restaurants are beautiful places 2.When British people eat in restaurants,they sometimes think . A.they are in another country B.they can talk with foreigners C.they are very busy D.they love foreign food 3.Some British people don't understand . A.the menu in restaurants B.everyone in restaurants C.why people write dishes in Chinese,French or Italian D.why everything comes from China,France or Italy 4.British people eat at home . A.for they don't have money to eat in a restaurant B.because the food is tasty(可口的)at home C.for it is sometimes very cheap D.because eating at home is cheaper than in restaurants 5. they spend a lot of time for Christmas. A.In order to get more food B.In order to have a lot of food C.In order to have good food D.In order to have enough food