Answer:
b. Withitness
Explanation:
Withitness: The term "withitness" was proposed by Kounin, and is referred to the phenomenon of teacher's awareness of looking after the classroom and knowing everything that is going on in every part of the classroom all the time. To be effective, the students should also recognize that the teacher is keeping an eye on them.
Also referred to as "having eyes in the back of the head."
In the question above, the statement signifies the withitness.