Can someone please help me? :(

Answer: B
Explanation:
In all the other ones, you are speaking. Verbal essentially means spoken, so non verbal is going to be not spoken. Therefore B is the best answer.
Nonverbal communication means that there are no words used in the communication.
To this end, answer B will be the option to choose - the rest of the options involve speaking. And as I've already stated, nonverbal communication means that no speaking is involved.
I hope this answers your question, and helps you to understand!
-Toremi