Which Statement Explains the Principle of Size-Distance Invariance

Multiple Choice

Which statement explains the principle of size-distance invariance?

A) The perceived size of an afterimage is proportional to the distance of the surface on which it's "projected."
B) The perceived size of an object depends on its perceived distance.
C) The perceived size of an object tends to remain constant, despite changes in the wavelengths and intensity of the light.
D) The depth cues of two objects depend on their perceived distance.