Assuming an attentive posture, holding eye contact, and nodding to show you understand what another person is saying are nonverbal behaviors that convey which dimension of relational level meanings?

Responsiveness

Explanation:

Scholars have identified three dimensions of relational communication:

The first dimension is responsiveness. This deals with how aware of the fact that we are in a conversation we are, and how deeply involved in the conversation we are.

Responsiveness manifests through various physical demonstrations and helps show the speaker that we are deeply involved  and interested in the conversation.  They include but are not limited to nodding of the head. sitting in an attentive posture, and establishing eye contact with the speaker.

The characters displayed clearly show the first dimension of relational level, which is responsiveness.

The other dimensions of relational level meanings are:

your answer will be a. sorry if im wrong: )