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题库 / Prep2007E1-CR-20
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?
The exhaust from Palitito's few automobiles is not a significant threat to Palitito's buildings.
Palitito's Renaissance buildings are not threatened by pollution other than engine exhaust.
Tour buses typically spend less than one-quarter of the time they are in Palitito transporting passengers from one site to another.
More tourists come to Palitito by tour bus than by any other single means of transportation.
Some of the tour buses that are unable to find parking drive around Palitito while their passengers are visiting a site.
C: tour bus一般接送乘客的时间少于在P处接送乘客时间的1/4。那么联系上文，可能更多的时间bus都在P处idle？？？
ABD无关可以排除。对比CE，E只是原原本本地解释了上文的P被damage的原因。Buses have no place to park while their passengers are visiting in P. 不涉及任何有关解决方案：新增parking能解决buses的idle问题，所以其实E也是无关选项。
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