Emmert's Law States That the Perceived Size of an Afterimage

Multiple Choice

Emmert's law states that the perceived size of an afterimage:

A) is proportional to the distance of the surface on which it's "projected."
B) remains constant, regardless of the distance of the surface on which it's projected.
C) increases as the distance of the surface on which it's projected decreases.
D) remains constant, despite changes in the size of the object's retinal image due to the object's changing distance.