单项选择题
A ship can request completion of a （） when the ship is at a higher security level than the port facility or another ship it is interfacing with.
A.DOC B.DOS C.SSP D.SMC
单项选择题 （）shall set security levels and provide guidance for protection from security incidents.
单项选择题 Under MARPOL Code the ship to which it applies has to carry （）
单项选择题 Under ISM Code the ship to which it applies has to carry （）
