The correct answer is D. perceptual constancy.
Explanation:
1. Perceptual constancy is the ability to perceive objects as being the same even when the sensory information changes. In this case, even though you cannot see the person's face, you still recognize them based on other characteristics like their height, gait, or voice.
2. For example, imagine you have a friend who always wears a distinctive hat. Even if you see them from behind without seeing their face, you can still recognize them based on the constant feature of the hat they wear.
By understanding perceptual constancy, we can see how our brain processes information to maintain a consistent perception of objects and people even when faced with incomplete information.
