单项选择题
A.secured forward and aft where readily available B.secured amidships where they will not hinder the personnel C.used for fending off D.used for picking up survivors in the water
A.approach while coming to the left to take advantage of the current B.drop an anchor outside the surf line，then pay out anchor line over the bow while the seas carry the boat toward the beach C.approach slow enough so that the boat can be brought around to meet breaking seas on the bow D.rig a drogue with tripping line over the bow，back ashore with drogue tripped between breakers
A.straight B.to port C.to starboard D.None of the above