Objects Produce Different Retinal Images When They Are Seen from Different

Objects produce different retinal images when they are seen from different angles, in different levels of light, and so forth.Despite these changes in sensory input, people have the tendency to perceive familiar objects as constant and unchanging. This tendency is called:

A) depth perception.
B) the law of good continuation.
C) the law of similarity.
D) perceptual constancy.