作者：英吉
Crowding on Mooreville’s subway frequently leads to delays, because it is difficult for passengers to exit from the trains. Subway ridership is projected to increase by 20 percent over the next 10 years. The Metroville Transit Authority plans to increase the number of daily train trips by only 5 percent over the same period. Officials predict that this increase is sufficient to ensure that the incidence of delays due to crowding does not increase.
Which of the following, if true, provides the strongest grounds for the officials’ prediction?
A.By changing maintenance schedules, the Transit Authority can achieve the 5 percent increase in train trips without purchasing any new subway cars.
B.The Transit Authority also plans a 5 percent increase in the number of bus trips on routes that connect to subways.
C.For most commuters who use the subway system, there is no practical alternative public transportation available.
D.Most of the projected increase in ridership is expected to occur in off-peak hours when trains are now sparsely used.
E.The 5 percent increase in the number of train trips can be achieved without an equal increase in Transit Authority operational costs.
题目分析：A说当局准备不购买新地铁的情况下增加5％运力，没说，杀。B说增加bus运力，范围原文没说过，杀。C说使用地铁的人来说，没有替代的交通工具。没说，杀。D运力增加一般是在高峰时期这个时候铁路很少乘客，谈的就是train的运力和subway运力增加这个事情，留着。E train这方面5％运力的增加可以在不增加当局成本的情况下实现，实现这个目标花不花钱，原文没提，杀。
