单选题At 1810，you sight a buoy on your starboard side labeled “19”. This buoy marks（）.Athe side of York Spit ChannelBthe visibility limit of the red sector of Cape Henry LightCthe end of York Spit ChannelDthe junction of the York Spit and York River Entrance Channels
单选题
At 1810，you sight a buoy on your starboard side labeled “19”. This buoy marks（）.
A
the side of York Spit Channel
B
the visibility limit of the red sector of Cape Henry Light
C
the end of York Spit Channel
D
the junction of the York Spit and York River Entrance Channels
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