[单项选择]It is all very well to blame traffic jams, the cost of petrol and the quick pace of modem life, but manners on the roads are becoming horrible. Everybody knows that the nicest men become monsters behind the wheel. It is ail very well, again, to have a tiger in the tank, but to have one in the driver’s seat is another matter altogether. You might tolerate the odd road-hog, the rude and inconsiderate driver, but nowadays the well-mannered motorist is the exception to the rule. Perhaps the situation calls for a "Be Kind to Other Drivers" campaign, otherwise it may get completely out of hand. Road politeness is not only good manners, but good sense too, It takes the most coolheaded and good-tempered of drivers to resist the temptation to revenge when subjected to uncivilized behavior. On the other hand, a little politeness goes a long way towards relieving the tensions of motoring. A friendly nod or a wave of acknowledgement in response to an act of politeness helps to create an atm A. people’s attitude towards the road-hog B. the rhythm of modem life C. the behavior of the driver D. traffic conditions