Which of the Following Is an Example of Student-To-Faculty Incivility

Which of the following is an example of student-to-faculty incivility?

A) Cheating on tests and homework assignments to get better grades
B) Obtaining study notes from the previous year's class and using them as a bargaining chip with classmates
C) Bullying students who are considered to be outcasts by their classmates
D) Acting nice to a classmate's face but being nasty behind his or her back