An instructor is instructing a class of thirty learners. One learner is constantly disrupting the class by talking in a loud voice. Which of the following actions should the instructor take FIRST? 

Answer options:

A. Discreetly talk to the learner and explain proper classroom etiquette
B. Give the learner a disapproving look until the talking stops
C. Use humor in front of the class to keep the learner quiet
D. Tell the learner to leave the classroom

A