If there is a fire in a hold, what should you do?（） A:Close the hatch, accesses and ventilators at once. Flood CO2 into hold. B:Open the hatch, accesses and ventilators at once. Flood CO2 into hold. C:Close the hatch, accesses and ventilators at once. Flood water into hold. D:Open the hatch, accesses and ventilators at once. Flood water into hold.

If there is a fire in a hold, what should you do?（）
A:Close the hatch, accesses and ventilators at once. Flood CO₂ into hold.
B:Open the hatch, accesses and ventilators at once. Flood CO₂ into hold.
C:Close the hatch, accesses and ventilators at once. Flood water into hold.
D:Open the hatch, accesses and ventilators at once. Flood water into hold.

出自：船舶水手证

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