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- 逻辑CR -

Which of the following most logically completes the passage?

In cars, airbags provide good protection for the chest and head, but little or no protection for legs. A study of injuries resulting from car accidents showed that a large proportion were caused by blows to the legs. Therefore, if air bags protected this area, the risk of serious injury in car accidents would be greatly reduced, especially since _______________.

  • A

    among the drivers included in the study's sample of injuries, only a very small proportion had been wearing an air bag at the time of their accident

    分析该选项
  • B

    even those drivers who drive cars with air bags have a poor understanding of the degree and kind of protection that air bags afford

    分析该选项
  • C

    an air bag that included protection for the legs would have to be somewhat larger and more expensive than current air bags

    分析该选项
  • D

    although the bones in the legs are large, severe impacts in that area are very likely to cause serious injury, such as compound fracture

    分析该选项
  • E

    drivers generally remain in their seat when they crash, which reduces the likelihood of severe impacts to the legs

    分析该选项
显示答案
正确答案: D

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