单项选择题
A vessel restricted in her ability to maneuver when engaged in an operation for the maintenance of safety of navigation in a traffic separation scheme is（）complying with this rule to the extent necessary to carry out the operation.
A.obliged B.to be C.exempted from D.necessarily
单项选择题 A vessel shall not（）.
单项选择题 A vessel shall so far as practicable avoid（）in a traffic separation scheme or in areas near its terminations.
单项选择题 A vessel using a traffic separation scheme is forbidden to（）.
