og-119

According to the Tristate Transportation Authority, making certain improvements to the main commuter rail line would increase ridership dramatically. The authority plans to finance these improvements over the course of five years by raising automobile tolls on the two high-way bridges along the route the rail line serves. Although the proposed improvements are indeed needed, the authority’s plan for securing the necessary funds should be rejected because it would unfairly force drivers to absorb the entire cost of something from which they receive no benefit.

119.

Which of the following, if true, would cast the most doubt on the effectiveness of the authority’s plan to finance the proposed improvements by increasing bridge tolls?

(A) Before the authority increases tolls on any of the area bridges, it is required by law to hold public hearings at which objections to the proposed increase can be raised.

(B) Whenever bridge tolls are increased, the authority must pay a private contractor to adjust the automated toll-collecting machines.

(C) Between the time a proposed toll increase is announced and the time the increase is actually put into effect, many commuters buy more tokens than usual to postpone the effects of the increase.

(D) When tolls were last increased on the two bridges in question, almost 20 percent of the regular commuter traffic switched to a slightly longer alternative route that has since been improved.

(E) The chairman of the authority is a member of the Tristate Automobile Club that has registered strong opposition to the proposed toll increase.

D正确,可是 When tolls were last increased on the two bridges in question是什么意思啊,D是怎么起削弱作用的呢

当这些过路的钱最终被增加的时候

D说当当局要收过路费的时候，几乎20%的往返交通者选择了另一条路，就是说，不给你交钱了。

谢谢,那in question的意思是这个方案还在疑问中就tolls were last increased on the two bridges 了吗

呵呵,我可能是晕了,谢谢你的耐心啊

但是产生怀疑，不是一定就要weaken了阿，总觉得20%有点少啊

开始的时候选择c,觉得虽然很短期的没有效果，但也是weaken了一段时间啊，不过现在觉得weaken应该是确定了的长期的，这样d就有点不是很合适了，谁能指点一下呢，谢谢