单选题You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates（）.Ayou are in the vicinity of the ICWBthe buoy is a special markCthe buoy is off stationDthe buoy designates a sharp turn in the channel
单选题
You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates（）.
A
you are in the vicinity of the ICW
B
the buoy is a special mark
C
the buoy is off station
D
the buoy designates a sharp turn in the channel
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