Amy and Ilona Are Talking in the Back of the Class

Amy and Ilona are talking in the back of the class because they see their teacher is busy at his desk explaining the multiplication table to Ronnie for the third time. They are dismayed when the teacher makes eye contact with them to discourage their chatting without interrupting his remedial instruction to Ronnie. All of this occurs while he keeps his eye on the rest of the class. Which of the following best characterizes the teacher's uncanny ability?

A) He is encouraging students to take responsibility for their behavior.
B) He is using an authoritarian management style.
C) He is demonstrating "withitness."
D) He is distinguishing rules and procedure.