When my boss talks to me in a deadly calm voice with a low pitch, slow tempo, and steady rhythm, i know she's mad about something! in this example, the employee identifies the supervisor's feeling through an understanding of?

When my boss talks to me in a deadly calm voice with a low pitch, slow tempo, and steady rhythm, I know she's mad about something! In this example, the employee identifies the supervisor's feeling through an understanding of? Paralanguage. The employee is able to understand and identify their supervisor's paralanguage. This language is a part of communication through speech that relates to pitch, temp, gestures, speed of talking and much more. Facial expressions are also a sign of paralanguage. 

The answer - c apex