96.
The difficulty with the proposed high-speed train line is that a used plane can be bought for one-third the price of the train line, and the plane, which is just as fast, can fly anywhere. The train would be a fixed linear system, and we live in a world that is spreading out in all directions and in which consumers choose the free-wheel systems (cars, buses, aircraft), which do not have fixed routes. Thus a sufficient market for the train will not exist.
Which of the following, if true, most severely weakens the argument presented above?
(A) Cars, buses, and planes require the efforts of drivers and pilots to guide them, whereas the train will be guided mechanically.
(B) Cars and buses are not nearly as fast as the high-speed train will be.
(C) Planes are not a free-wheel system because they can fly only between airports, which are less convenient for consumers than the high-speed train’s stations would be.
(D) The high-speed train line cannot use currently underutilized train stations in large cities.
(E) For long trips, most people prefer to fly rather than to take ground-level transportation.
题目中说选出most severely weakens the argument 的选项，我认为"the argument"是指“火车没有足够的市场”，A用car,bus,plane的不足之处 weakens the argument ，所以选A，不知道这样的思路错在哪里？
而OG的正确选项C，紧紧否定了train，不够全面啊~~
请NN指教
A選項是不錯，以car, bus, plane來做論點，但問題是後面形容這些由人來駕駛的形容沒有提及本題最重要的"便利性"的概念，所以不如C來的好
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