A buoy marking a wreck will show a(n)（）.<br>A:white light FL (2) and a topmark of 2 black spheres<br>B:occulting green light and may be lettered<br>C:yellow light and will be numbered<br>D:continuous quick white light and may be numbered

A buoy marking a wreck will show a(n)（）.
A:white light FL (2) and a topmark of 2 black spheres
B:occulting green light and may be lettered
C:yellow light and will be numbered
D:continuous quick white light and may be numbered

出自：海船船员证

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