You are sailing south on the Intracoastal Waterway(ICW)when you sight a green can buoy with a yellow square painted on it.Which of the following is TRUE().
A:You should pass the buoy close aboard on either side
B:The buoy marks the end of the ICW in that area
C:You should leave the buoy to port
D:The yellow square is retroreflective material used to assist in sighting the buoy at night
出自:海船船员证