According to the opponent process theory of color vision, the correct pairings of opposite colors are:
A) black versus white, red versus green, and blue versus yellow
B) black versus gray and white versus colored
C) grayscales, blue versus red and green versus yellow
D) blue versus green and red versus yellow
Answer: A
Rationale: According to the opponent-process theory, we perceive color in terms of opposite ends of the spectrum: red to green, yellow to blue, and white to black.
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