单选题When fueling has been completed（）.Athe fuel tank fill pipe should be left open to allow vapors to vent from the tankBthe engine should be started immediately to prevent vapor lock in the fuel lineCall hatches should be opened and all compartments should be ventilatedDopen the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
单选题
When fueling has been completed（）.
A
the fuel tank fill pipe should be left open to allow vapors to vent from the tank
B
the engine should be started immediately to prevent vapor lock in the fuel line
C
all hatches should be opened and all compartments should be ventilated
D
open the fuel line and drain a small amount of gasoline into the bilge to clear the line of sediment
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