单选

A fire is considered "under control" when _____.

  • A.all hands are at their fire stations
  • B.all fire-fighting equipment is at the scene
  • C.the fixed systems are activated
  • D.the fire is contained and no longer spreading
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A fire is considered "under control" when _____.

  • A.all hands are at their fire stations
  • B.all fire-fighting equipment is at the scene
  • C.the fixed systems are activated
  • D.the fire is contained and no longer spreading
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