Which of the Following Statements Accurately Sums Up Research on Workplace

Which of the following statements accurately sums up research on workplace mistreatment?

A) Employees who file grievances have already withdrawn psychologically from the workplace.
B) Employees who experience workplace mistreatment tend to quit.
C) Employees who file grievances usually have observed the workplace mistreatment rather than having experienced it.
D) Typically, grievances are filed over workplace mistreatment that exists only in the employees' minds.