This counselor communication style involves simply listening in the session.

A) Directive
B) Guiding
C) Following
D) Complex

The counselor communication style that involves simply listening in the session is known as "following." This style is characterized by active listening, empathizing, and reflecting back what the client is saying, without giving any advice or guidance. It is a non-directive approach that gives the client the space to explore their thoughts and feelings on their own.