The darkened area around the nipple is called the

A) auricle.
B) atrium.
C) alveoli.
D) areola.

Areola

The pigmented area surrounding the nipple on the breast, which can vary in size and color among individuals.

Auricle

The external portion of the ear that captures sound waves and directs them into the auditory canal.

Atrium

An open-roofed entrance hall or central court in an ancient Roman house, or a similar large open space in a modern building.