According to the Rules，when should lights be displayed?（）.<br>A:During the hours of darkness<br>B:At all times when underway<br>C:From sunset to sunrise and restricted visibility<br>D:Sunrise to sunset

According to the Rules，when should lights be displayed?（）.
A:During the hours of darkness
B:At all times when underway
C:From sunset to sunrise and restricted visibility
D:Sunrise to sunset

出自：海船船员证

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