Answer :
The situation from the list that shows positive non-verbal communication is:
".Paul sits up straight as he's talking and looks at everyone in his group to show he's serious about his idea for the text." (Option C)
What is positive non-verbal communication?
Positive Non Verbal Communication refers to bodily postures that reflect a message that is positive.
Another example of positive non verbal communication is when someone leans forward because they are interested in a converstion with other people.
Learn more about positive non-verbal communication at:
https://brainly.com/question/18946554
#SPJ1