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题库 / OG2017V-CR-176
Which of the following, if true, most logically completes the argument?
Some dairy farmers in the province of Takandia want to give their cows a synthetic hormone that increases milk production. Many Takandians, however,do not want to buy milk from cows given the synthetic hormone. For this reason Takandia's legislature is considering a measure requiring milk from cows given the hormone to be labeled as such. Even if the measure is defeated, dairy farmers who use the hormone will probably lose customers, since __________.
it has not been proven that any trace of the synthetic hormone exists in the milk of cows given the hormone
some farmers in Takandia who plan to use the synthetic hormone will probably not do so if the measure were passed
milk from cows that have not been given the synthetic hormone can be labeled as such without any legislative action
the legislature's consideration of the bill has been widely publicized
milk that comes from cows given the synthetic hormone looks and tastes the same as milk from cows that have not received the hormone
这是一道Justify conclusion题，要找支持结论的premise。 文中的特殊牛奶，因为法案要求贴标签，客户可以识别出来，而面临销量下降的风险。结论却说，即使没有这条法令，销量也会下降。最有可能的原因还是客户可以识别出这种牛奶，选项C给了解释，特殊牛奶虽然不用贴标签了，但是普通牛奶缺可以贴标签让自己和特殊牛奶区分开来，故正确。
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