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?
(A) Projected increases in the price of gasoline will increase the cost of taking a private vehicle into the city.
(B) 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.
请教A为何不能成为一个FLAW？
因为油价的高涨所以大家非因为市长的FEE $5而改乘公车？
还是我的逻辑在这有误，油价的高涨是WEAKEN而非FLAW？
FLAW要的是描述原文错误的答案？ | 
