Which statement is TRUE concerning the

Which statement is TRUE concerning the ventilation of engine and fuel tank compartments on uninspected towing vessels using fuel with a flash point of 100°F?（）

AThere shall be at least 3 ventilator ducts open to the atmosphere
BAt least one exhaust duct shall extend from the open atmosphere to the lower portion of the bilge
CAt least one intake duct shall extend from the open atmosphere to the lower portion of the bilge
DOnly vessels using fuel with a flash point above 110°F need ventilate engine and fuel compartment

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