why C? thx
For years the beautiful Renaissance buildings in Palitito have been damaged by exhaust from the many tour buses that come to the city. There has been little parking space, so most buses have idled at the curb during each stop on their tour, and idling produces as much exhaust as driving. The city has now provided parking that accommodates a third of the tour buses, so damage to Palitito's buildings from the buses' exhaust will diminish significantly.
Which of the following, if true, most strongly supports the argument?
(A) The exhaust from Palitito's few automobiles is not a significant threat to Palitito's buildings.
(B) Palitito's Renaissance buildings are not threatened by pollution other than engine exhaust.
(C) Tour buses typically spend less than one-quarter of the time they are in Palitito transporting passengers from one site to another.
(D) More tourists come to Palitito by tour bus than by any other single means of transportation.
(E) Some of the tour buses that are unable to find parking drive around Palitito while their passengers are visiting a site.
why C? thx
我也是刚刚开始做逻辑，这道题目我是这么想的，希望大家一起进步。
1.按照lawer大牛的分类，这类属于suport题目，也就是说你选的答案必须是支持这个论点的。而且这是一道因果关系的题目。
2，找出这个题目的前提（因-结论（果）
（P城市的建筑受到了旅游车的排放的废气破坏很重）-是因为P城市没有停车场—。
现在因为政府开了停车场改善了1/3的车子停放（因）-导致了排气的减少（因-直接前提）-导致了P城市受到旅游车的废气污染破坏下降很多（果）。
那就是说我们也要去找一个能导致排气减少的的方法去证明这个因果关系（有因有果）。（有这个因，才能有这个果）
A:原文没有说汽车，只是说了旅游大巴，排除，再说了，小汽车照样也是排气啊，怎么可能不是危险呢。
B：不正确，原文没有说P城市只是受引擎的排气污染，再说了和现在破坏减少没有关系
C：旅游大巴从一个地方到另外一个地方花了少于1/4的时间-正好推出了少时间，就是少排气啊=》也就是污染破坏很少，正确
D：这段也不能说出有这个因，=》有那个果
E：这是WEAKEN了答案。
所以选C
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