Which Statement About Color Vision Is False

Which statement about color vision is false?

A) Absorption spectra of cone cells vary due to molecular differences in the 11-cis-retinal molecules.
B) There are three different types of cone cells in the human retina.
C) Rods do not contribute to color vision.
D) Rhodopsins in the human retina differ in the wavelengths of light they absorb best.
E) Birds have four classes of cone cells.