单项选择题
A.a ship B.a country C.an authority D.a person
A.the depth of the water at the berth B.the ship‟s draught C.the duty of the relieving officer D.the arrangement of anchor and the scope of the anchor chain
A.priviledged vessel and keep her course and speed B.burdened vessel and give way to others C.burdened vessel and keep course nad speed D.priviledged vessel and give way to others