單項(xiàng)選擇題

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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