单选题When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.Athe shape of an unlighted buoyBthe light color of a lighted buoyCthe color of the topmost bandDwhether the number is odd or even
单选题
When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.
A
the shape of an unlighted buoy
B
the light color of a lighted buoy
C
the color of the topmost band
D
whether the number is odd or even
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