Employees at Acme Express Are Dissatisfied with Working Conditions, Salary

Employees at Acme Express are dissatisfied with working conditions, salary, and the general attitude of management. Mark, Susan, and Toni are good friends who work at Acme, yet each seems to be reacting differently to the problems at work.
-Maria is dissatisfied with the way that her manager treats her. She has quit her job and found a new position with another firm. She has expressed her dissatisfaction through ________.

A) exit
B) voice
C) loyalty
D) neglect
E) social voice