The Cone of Confusion Is ______

The cone of confusion is ______.

A) the area on the side of the head opposite from the source of a sound in which the loudness of a sound is less because of blocked sound waves
B) a shell-like structure located adjacent to the medial superior olives
C) a region of positions in space in which sounds create the same interaural time and interaural level differences
D) a neurological condition that occurs when the parabelt and belt regions are damaged