单项选择题
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
单项选择题 While taking on fuel, you notice oil on the water around the vesselWhich of the following actions should be taken FIRST?（）
单项选择题 If you detect oil in the water around your vessel while discharging fuel, the FIRST thing to do is（）.
单项选择题 When you notice oil on the water near your vessel while taking on fuel, you should FIRST （）.