A cable used by helicopters for lifting or lowering persons in a pick-up operation is a（）.

A.hawser which is used to pass a tail-block and whip to the vessel
B.hawser with breeches buoy and harness attached
C.hawser which should be made fast to the vessel below the intended location of the tail-block
D.tail-block and whip which may be used to pass a hawser to the vessel

A.You should stop to windward of the survivors in the water and only use the ship's boats to recover the survivors
B.If the survivors are in inflatable rafts you should approach from windward to create a lee for the survivors
C.An inflatable liferaft secured alongside can be an effective boarding station for transfer of survivors from the boats
D.Survivors in the water should never be permitted alongside due to the possibility of injury from the vessel

A.ballast control alarms
B.excessive draft
C.excessive list or trim
D.a continual worsening of list or trim