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According to a recent study, hand sanitizers require a 60 percent minimum alcohol concentration for the killing of most harmful bacteria and viruses.
  • Arequire a 60 percent minimum alcohol concentration for the killing of 分析该选项
  • Brequire that there be a 60 percent minimum alcohol concentration to kill 分析该选项
  • Crequire that a 60 percent minimum alcohol concentration be present to kill 分析该选项
  • Drequire a 60 percent minimum alcohol concentration to kill 分析该选项
  • Erequire that there be a 60 percent minimum alcohol concentration for the killing of 分析该选项
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正确答案: D
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