The pollution prevention regulations state that slop oil and sludge that result as part of normal fueling operations should be disposed of by ____.
A.discharging ashore into the sewer system
B.sealing in disposable plastic barrels aboard ship
C.discharging into a shore tank or stop barge
D.dumping into the ship’s bunker tanks
请帮忙给出正确答案和分析,谢谢!