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题库 / Prep2007E1-CR-59
A certain mayor has proposed a fee of five dollars per day on private vehicles entering the city, claiming that the fee will alleviate the city's traffic congestion. The mayor reasons that, since the fee will exceed the cost of round-trip bus fare from many nearby points, many people will switch from using their cars to using the bus.
Which of the following statements, if true, provides the best evidence that the mayor's reasoning is flawed?
Projected increases in the price of gasoline will increase the cost of taking a private vehicle into the city.
The cost of parking fees already makes it considerably more expensive for most people to take a private vehicle into the city than to take a bus.
Most of the people currently riding the bus do not own private vehicles.
Many commuters opposing the mayor's plan have indicated that they would rather endure traffic congestion than pay a five-dollar-per day fee.
During the average workday, private vehicles owned and operated by people living within the city account for twenty percent of the city's traffic congestion.
D首先只是一部分人，不能代表大众，就算这些人还是开车，但是只要有其他支持者不开车了，那交通拥堵还是可以减轻的。
这些人只是indicate，并不是一个观察来的事实，无法反驳。
B说明这个plan开始的方向就错了，市长认为开车成本上涨就可以让他们不开车，这里切断了二者之间的关系，cost上涨并不能让这些开车的人不开车，所以整个plan就不能基于这一点来设定了。
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