Answer:
c. Praising others for their work, actions, or comments.
d. Asking for opinions and questions.
Step-by-step explanation:
Nonverbal immediacy behaviors are nonlinguistic actions that send four simultaneous and complementary messages conveying a person's approachability, availability, closeness and warmth, and "multi-channeling" qualities. For principals, such behaviors help even potentially hostile interactions proceed more smoothly.
Non-verbal immediacy behaviors include reducing physical distance; touching; displaying relaxed postures and movements; using gestures; smiling; using vocal variety; and engaging in eye contact during interactions.