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- 逻辑CR -

Which of the following most logically completes the argument?

The claim that Homo habilis, Homo rudolfensis and Homo erectus, three classifications of hominids extant about 2 million years ago, might represent a single species, is considered tentative, since it is based on a single analysis in the journal Science of a single fossil specimen known as "skull 5." One evolutionary biologist reports several of his colleagues are writing concurring articles. Nonetheless even if that prediction proves correct, these new articles will lend no support to the claim that the three species are in fact one, since _______________.

  • A

    only fossils can lend support to this claim, not articles about fossils

    分析该选项
  • B

    subsequent articles will expand upon and improve the argument presented in the original article in Science

    分析该选项
  • C

    the new articles will most likely construct new arguments based on fossils previously discovered and attributed to the three species

    分析该选项
  • D

    the new articles, like the original article, will most likely draw their conclusion from "skull 5"

    分析该选项
  • E

    no articles prior to the original article in Science give any credibility to the claim that the three species might in fact be a single species

    分析该选项
显示答案
正确答案: D

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