For years the beautiful Renaissance buildings in Palititohave been damaged by exhaust from the many tour buses that come to thecity. There has been little parkingspace, so most buses have idled at the curb during each stop on their tour, andidling produces as much exhaust as driving. The city has now provided parking that accommodates a third of the tourbuses, so damage to Palitito's buildings from the buses' exhaust will diminishsignificantly.

　　Which of the following, if true, most strongly supportsthe argument?

　　(A) The exhaust from Palitito's few automobiles is not asignificant threat to Palitito's buildings.

　　(B) Palitito's Renaissance buildings are not threatenedby pollution other than engine exhaust.

　　(C) Tour buses typically spend less than one-quarter ofthe time they are in Palitito transporting passengers from one site to another.

　　(D) More tourists come to Palitito by tour bus than byany other single means of transportation.

　　(E) Some of the tour buses that are unable to findparking drive around Palitito while their passengers are visiting a site.

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