单项选择题
A.further damaging the other vessel
B.undue delay
C.serious danger to his or her own vessel
D.creating a panic on either vessel
单项选择题 According（）the report，the ship hit the wharf when berthing.
单项选择题 A wooden float placed between a ship and a dock to prevent damage to both is called a（）.
单项选择题 A situation has occurred where it becomes necessary for you to be towed. What action should be taken to prevent your vessel from yawing?（）.