Bryan's Speech Tends to Speed Up When He Is Nervous

Multiple Choice

Bryan's speech tends to speed up when he is nervous, and his pitch becomes higher. Which is the correct description of these nonverbal behaviors?

A) His speed is chronemics, and his pitch is paralanguage.
B) His speed is paralanguage, and his pitch is chronemics.
C) Both his speed and pitch are paralanguage.
D) Both his speed and pitch are chronemics.