单选题How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）ABlack and white stripes with an interrupted quick flashing lightBBlack and red stripes with a Morse (A) lightCBlack and red stripes with an interrupted quick flashing lightDRed and white stripes with a Morse (A) light
单选题
How is a safe water mark，that can be passed close aboard on either side，painted and lighted?（）
A
Black and white stripes with an interrupted quick flashing light
B
Black and red stripes with a Morse (A) light
C
Black and red stripes with an interrupted quick flashing light
D
Red and white stripes with a Morse (A) light
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