The Phrase "Actions Speak Louder Than Words" Refers To

The phrase "actions speak louder than words" refers to:

A) men and women have different speech patterns resulting from the way they have been socialized.
B) verbal communication patterns vary across social classes.
C) actions are more important than active listening.
D) nonverbal communication is harder to fake, and so is often more believable than verbal communication when the two are in conflict.
E) the Sapir-Whorf hypothesis.