Why Do People Tend to Believe Nonverbal Messages Even When

Why do people tend to believe nonverbal messages even when they contradict verbal messages?

A) Nonverbal behaviors are completely involuntary and reflect people's true states.
B) People will only attempt to control their nonverbal behavior when they are lying.
C) It is harder for most people to control their nonverbal communication than their verbal communication.
D) All the answers are correct.