B. Nonverbal communication relies on multiple channels.
Explanation:
Nonverbal communication refers to the various ways through which people communicate without the use of words such as body language, eye contact, gestures, etc.
Therefore, from the question, the option that is incorrect is option B and this is because Nonverbal communication does not rely on multiple channels.
That the person is nervous, restless and is probably uncomfortable. I think the tone would be tense and maybe a little agitated? the person is probably worried about something. sorry if this isn't what you needed but I hope it helps :)
