The Following Characteristic Differentiates Emotional Expressions from Other Non-Emotional, Nonverbal

The following characteristic differentiates emotional expressions from other non-emotional, nonverbal behaviors:

A) Emotional expressions tend to be long-lasting, enduring for minutes at a time.
B) Facial expressions of emotion are exceptionally brief, lasting a quarter of a second.
C) Facial expressions of emotion involve involuntary muscle actions that people cannot suppress.
D) Emotional expressions of emotion tend to be more subtle than feigned expressions of emotion.