Several merchant ships are arriving at the scene of a distress incident. One of the them must assume the duties of the Coordinator Surface Search (CSS). Which of the following statements is TRUE? ()
A:CSS duties are always assumed by passenger vessels,dry cargo vessels,or tankers in that order of precedence
B:The CSS must be established by mutual agreement between the ships concerned
C:A tank vessel should never be assigned CSS duties unless only tank vessels are present
D:The first vessel to arrive at the distress incident is designated as the CSS
出自:海船船员证