单项选择题
Masters are（）solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
A.hold B.holded C.held D.holding
单项选择题 It should be observed（）the master is not bound to show both the number of packages and the weight.
单项选择题 It is the responsibility of the person in charge to（）.
单项选择题 It is the responsibility of the Master or person in charge of a ship to ensure that（）.
