Step 1: Understanding the Concept:
Non-verbal communication involves sending and receiving wordless messages through gestures, body language, facial expressions, and eye contact.
In communication theory, non-verbal cues serve specific functions that support and enrich verbal messages.
Step 2: Detailed Explanation:
Let us analyze the established functions of non-verbal communication:
1. (A) Repeating:
Non-verbal cues can repeat or mirror the verbal message.
For example, pointing in a direction while verbally giving directions, or nodding while saying "yes."
Thus, (A) is a key function.
2. (C) Regulating:
Non-verbal behaviors are used to control the flow and pace of conversations.
For example, pausing, making eye contact, or raising a hand to signal whose turn it is to speak.
Thus, (C) is a key function.
3. (E) Accenting:
Non-verbal cues can emphasize or highlight specific parts of a verbal message, similar to bolding or underlining text.
For example, pounding a hand on a table to emphasize a point, or using hand gestures to stress key words.
Thus, (E) is a key function.
The other options listed---Requesting (B) and Rephrasing (D)---are general verbal communication actions, not specific functions of non-verbal cues.
Step 3: Final Answer:
The key functions of non-verbal communication are (A), (C), and (E) only.
This corresponds to Option (B).