单选题When navigating a vessel，you（）.Acan always rely on a buoy to be on stationBcan always rely on a buoy to show proper light characteristicsCshould assume a wreck buoy is directly over the wreckDshould never rely on a floating aid to maintain its exact position
单选题
When navigating a vessel，you（）.
A
can always rely on a buoy to be on station
B
can always rely on a buoy to show proper light characteristics
C
should assume a wreck buoy is directly over the wreck
D
should never rely on a floating aid to maintain its exact position
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