大全-D-7.
The postal service is badly mismanaged. Forty years ago, first-class letter delivery cost only three cents. Since then, the price has increased nearly tenfold, with an actual decrease in the speed and reliability of service.
Each of the following statements, if true, would tend to weaken the argument above EXCEPT:
(A) The volume of mail handled by the postal service has increased dramatically over the last forty years.
(B) Unprecedented increases in the cost of fuel for trucks and planes have put severe upward pressures on postal delivery costs.
(C) Private delivery services usually charge more than does the postal service for comparable delivery charges.
(D) The average delivery time for a first-class letter four decades ago was actually slightly longer than it is today.（E）
(E) The average level of consumer prices overall has increased more than 300 percent over the last forty years.
大全-I-17
In the past year, there has been a large drop in the number of new cars sold, due to harsh economic conditions in the marketplace and high taxes. At the same time, the average price paid for a new car has risen dramatically.
Which of the following, if true, best explains the increase in the average price of a new car?
(A) The price of used cars has climbed steadily over the past ten years.
(B) There will be a tax reduction later in the year which is expected to aid moderate and low income families.
(C) The market for expensive car has been unaffected by the current economic conditions.
(D) Economic conditions are expected to get significantly worse before the end of the year.（C）
(E) Low demand for trucks and vans has led to lower production in the factories.
本题中A为什么不是支持选项？这和大全-D-7的C情况一样啊，
是因为17题中的most的原因么？虽然A也算部分支持，但相对于C来说不是most的选项？
这道题大家可能一看就选了C，可我是受了大全-D-7的影响，选了A，希望牛牛指教！
没人回答么？是不是偶的问题超级弱智？
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