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.
E