单项选择题
A.Towing
B.Engaged on pilotage duty
C.Aground in a fairway
D.Stopped and making no way through the water
单项选择题 You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.
单项选择题 You are proceeding down a channel and lose the engine（s）.You must use the anchors to stop the ship.Which statement is true（）.
单项选择题 You are planning to anchor in an area where several anchors have been lost due to fouling.As a precaution，you should（）.