单项选择题
A.an obligation for masters of passing by ships
B.optional for masters of passing by ships when the weather is fine
C.prohibited by the Convention SOLAS, 1974, as amended
D.prohibited by the convention STCW 78/95
单项选择题 According to SOLAS, 1974, as amended, the shipowner or any person who has assumed responsibility for the ship (the “Company”) must（）
单项选择题 A Convention about safety of life at sea was adopted in 1974 which included a new amendment procedure, according which an amendment shall enter into force（）
单项选择题 The SOLAS Convention is the main international convention（）