Which of the Following Is an Example of a Regulator

Multiple Choice

Which of the following is an example of a Regulator?

A) A businesswoman rubs the back of her neck and says "I don't know" during business negotiations.
B) A businesswoman breaks off eye contact to signal the end of a meeting.
C) While explaining how to get to the post office,a woman points in the correct direction.
D) ​When speaking before the boss,an employee nervously rubs his nose.