题目内容：
根据材料，回答问题。B
In England recently three foreign gentlemen came to a bus stop and waited．About five minutes later，the bus they wanted came along．They were just going to get on when suddenly there was a loud noise behind them．People rushed onto the bus and tried to push them out of the way．Some． one shouted at them．The bus conductor came rushing down the stairs to see what all the trouble was about．The three foreigners seem all at sea and looked embarrassed(窘迫的)．No one had told them about the British custom(习惯)of lining up for a bus that the first person who arrives at the bus stop is the first person to get on the bus．
Learning the language of a country isn’t enough．If you want to have a pleasant visit．find out as much as possible about the manners and customs of your host country,You will probably be sur- prised just how different they can be from your own． A visitor to India would do well to remember that people there consider it inlpolite to use the left hand for passing food at table．The left hand is supposed to be used for washing yourself．Also in India，you nfight see a man shaking his head at another to show that he doesn’t agree． But in many pans of India a shake of the head means agree． Ment Nodding(点头)your head when you are given a drink in Bulgaria will most probably leave you thirsty．
In that country，you shake your head to mean“yes”—a nod means“no".At a meal in coun— tries on the Arabic Peninsula，you wi]1 find that your glass is repeated refilled as soon as you drjnk up.If you think that you have had enough，you should take the cup or glasses in your hand and give it a little shake from side to side or place your hand over the top．
In Europe it is quite usual to cross your legs when you are sitting talking to someone even at an important meetin9．Doing this in Thailand，however,could bring about trouble．Also．you should try to avoid（避免）touching the head of an adult(成人)-it’s just not done in Thailand．
The British people tried to push the three gentlemen out of the way,because the gentlemen_________． A．were foreigners
B．didn’t have tickets
C．made a loud noise
D．didn’t line up for the bus
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