We often perceive a series of dots on a printed form as a "solid" line because of the Gestalt principle of

A) constancy.
B) similarity.
C) closure.
D) symmetry.

Gestalt Principle

A theory in psychology that proposes the human brain perceives whole objects rather than merely the sum of their parts.

Closure

The psychological term for the human desire to seek a sense of completeness and certainty in perceiving patterns.