Jared Was Sitting on the Patio Watching a Butterfly Flutter

Multiple Choice

Jared was sitting on the patio watching a butterfly flutter around.As he watched,the butterfly flew toward him and seemed to be planning to land on his nose.As the butterfly came closer to his nose,he could feel his eyes turn inwards.The cue that is telling Jared how close the butterfly is getting to him is known as

A) retinal disparity.
B) linear perspective.
C) convergence.
D) texture gradient.