单选题A vessel aground at night is required to show two red lights in a vertical line as well as （）.Anot under command lightsBrestricted in her ability to maneuver lightsCanchor lightsDsidelights and a sternlight
单选题
A vessel aground at night is required to show two red lights in a vertical line as well as （）.
A
not under command lights
B
restricted in her ability to maneuver lights
C
anchor lights
D
sidelights and a sternlight
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