单项选择题
A.enter the traffic separation zone in an emergency
B.cross a traffic lane
C.engage in fishing in the separation zone
D.proceed in an inappropriate traffic lane
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（）.
单项选择题 A vessel using a traffic separation scheme shall normally join or leave a traffic lane at the （）of the lane.