Which Fact MOST Strongly Supports the Opponent-Process Theory of Color

Multiple Choice

Which fact MOST strongly supports the opponent-process theory of color vision?

A) If you mix blue paint with green paint,you get bluish-green paint.
B) Some neurons in the higher visual system are excited by green light,but inhibited from firing by red light.
C) The retina has three types of cells that respond to the colors red,green,and blue.
D) Rods do not contribute to color vision.