If you observe any situation which presents a safety or pollution hazard during fuel trans

If you observe any situation which presents a safety or pollution hazard during fuel transfer operations, which of the following actions should be taken FIRST？

A.Close the valves at the transfer manifold

B.Notify the person in charge of the shore facility

C.Shut down the transfer operation

D.Sound the fire alarm

请帮忙给出正确答案和分析，谢谢！