The prohibition against displaying lights which may be confused with required navigation lights applies（）.<br>A:from sunset to sunrise and during restricted visibility<br>B:only when other vessels are in the area<br>C:only when operating in a traffic separation scheme<br>D:only when under tow

The prohibition against displaying lights which may be confused with required navigation lights applies（）.
A:from sunset to sunrise and during restricted visibility
B:only when other vessels are in the area
C:only when operating in a traffic separation scheme
D:only when under tow

出自：海船船员证

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