A large navigational buoy (LNB) is painted（）.<br>A:red<br>B:yellow<br>C:with red and white vertical stripes<br>D:with a distinct color and pattern unique to each buoy

A large navigational buoy (LNB) is painted（）.
A:red
B:yellow
C:with red and white vertical stripes
D:with a distinct color and pattern unique to each buoy

出自：海船船员证

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