Answer:
A. The perceptual whole is greater than the sum of its parts.
Explanation:
Gestalt psychology: In psychology, the term "gestalt psychology" is considered as one of the "school of thought" that tends to believe that every object is observable is its simplest forms and therefore it is also denoted as "law of simplicity".
The gestalt psychology states that the "whole of any specific object is considered as more significant than its different individual parts".
Gestalt psychologists tend to follow the theory of gestalt psychology.