The correct answer is B) interpersonal communication channel.
Attending a small group meeting to learn about heart-healthy recipes is an example of an interpersonal communication channel.
Here, we are talking about a type of communication process in which the parties involved freely express their opinions, emotions, ideas, and concepts about one of many topics. In this type of communication, nonverbal communication, gestures, and facial expressions are as important as verbal communication. That is why a small meeting like the mentioned above can be considered as an interpersonal communication channel.