狒狒逻辑一道题求解

sunyuwei

If the city council institutes new parking regulations, city revenues will surely increase, since studies have conclusively shown that, if such parking regulations are put into effect, there is an increase in parking violations, and an increase in parking violations will result in a greater number of parking fines collected.

If the statements in the passage are true, which one of the following must also be true?

A. Unless there is an increase in the number of parking violations in the city, city revenues will not increase.

B. If the city council institutes new parking regulations, the council will fall from favor with the citizens.

C. The city council will institute new parking regulations only if an increase in city revenues can be expected to result.

D. If the city council’s new regulations cause more parking violators to be ticketed, the city revenues will increase.

E. Unless the city institutes a complex system of parking regulations, the city cannot expect traffic violations to increase.

Choice C just repeats the conclusion: institution of new regulations -> increase of city revenues. it fails to fill the gap between institution of regulations and increase of revenues.

new regulations -> more violations-> more fines collected(increase of revenues)

D is correct.

这道题目如果按照题干所说的是conclusion的话，我按照推理：原文的推理是regulation——>violation——>revenue
C选项根据only if，推出来是regulation——>violation
D是无关的因素
由此我认为是C,但是如果不按conclusion来做，直接思考确实不可能颁布法令的目的是来罚款。可是如果选D这道题目岂不是变成了一道假设题用来补gap ???
有点疑惑求解惑

sunyuwei

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sunyuwei

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sunyuwei

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