单项选择题
A.Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel
B.State his concerns to the Pilot but do not interfere with the handling of the vessel
C.Direct the Pilot to stop the vessel and anchor if necessary until the situation clears
D.Recommend an alternative action and if not followed relieve the Pilot
单项选择题 A vessel is considered to be “restricted in her ability to maneuver” under the Rules if she is （）.
单项选择题 A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）
单项选择题 A vessel is “listed” when it is（）.