题目选项分析

Last year the county park system failed to generate enough revenue to cover its costs. Any business should be closed if it is unprofitable, but county parks are not businesses. Therefore, the fact that county parks are unprofitable does not by itself justify closing them.

The pattern of reasoning in the argument above is most closely paralleled in which one of the following?

【选项】Even though cockatiels are not, strictly speaking, members of the parrot family, they should be fed the same diet as most parrots since the cockatiel's dietary needs are so similar to those of parrots