Which of These Statements Applies Correctly to Colour Vision

Multiple Choice

Which of these statements applies correctly to colour vision?

A) It is accomplished by rods at night and by cones during the day.
B) It depends on the three cone types' various ratios of stimulation in response to different wavelengths of light.
C) It is usually lost in vitamin A deficiency.
D) Same types of cones may use different neural pathways for comparing their outputs.