Which of the following, if true in Birangi, would most strongly support the experts' contention about the effect of the proposed automobile tax on Birangi's air-quality problem?
A. Automobile emissions are the largest single source of air pollution.
B. Some of the proceeds from the new tax would go toward expanding
the nonpolluting commuter rail system.
C. Currently, the sales tax on new automobiles is considerably lower than 50 percent.
D. Automobiles become less fuel efficient and therefore contribute more to air pollution as they age.
E. The scrapping of automobiles causes insignificant amounts of air pollution.
Ans: D
A: 反對而非支持
BC: irrelevant
請教E為什麼不能選?
另外總覺得D選項怪怪的,稅金提高跟less fuel efficient有什麼關係
