Final Answer:
Based on his facial expressions, the speaker communicates "C) Interest" to the audience.
Step-by-step explanation:
Facial expressions are powerful indicators of emotions and intentions. In this context, the speaker's facial expressions convey a positive and engaged demeanor, suggesting a genuine interest in the subject matter. "Interest" (Option C) aligns with positive and attentive facial expressions, reflecting the speaker's engagement with the audience or topic. It is important to consider the nuances of non-verbal communication, such as facial expressions, to accurately interpret the speaker's emotional state and connection with the audience.
Understanding the subtleties of facial expressions enhances our ability to decipher the underlying emotions and messages conveyed during communication.
Option C is the answer.