单选题Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）AA safe-water buoy will display red and white vertical stripes of reflective materialBAll reflective material is white because it is the most visible at nightCA special-purpose mark will display either red or green reflective material to agree with its shapeDA preferred-channel buoy displays either red or green reflective material to agree with the top band of color
单选题
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）
A
A safe-water buoy will display red and white vertical stripes of reflective material
B
All reflective material is white because it is the most visible at night
C
A special-purpose mark will display either red or green reflective material to agree with its shape
D
A preferred-channel buoy displays either red or green reflective material to agree with the top band of color
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