Diesel fuel is relatively safe to handle due to its low volatility, but the fumes will self-ignite and continue to burn steadily if the fuel is heated to the （）.

A.require ballast added to only the port side tanks
B.be down by the head
C.sink
D.float

A.stop ventilation to the area
B.stop the vessel
C.secure electricity to the circuit
D.apply CO₂ to the fire

A.secure the fuel manifold
B.shut off power to the pump
C.shut off the power ventilation
D.spray water on the fire