According to the Trichromatic (Young-Helmholtz)theory,what Causes Perception of Green?​

Multiple Choice

According to the trichromatic (Young-Helmholtz) theory,what causes perception of green?​

A) The activity of cones is greatest at a point between the fovea and the periphery.
B) ​Most of the cones are firing at an intermediate frequency.
C) ​The medium-wavelength cones are more active than the other ones.
D) ​The velocity of action potentials from the retina is at an intermediate level.