After a troublesome time with a new manager, an employee who had always had highly positive reviews returned from vacation to find that her desk had been cleared out, all of her belongings were in boxes, and her office was being used for storage. While she was on vacation, her new supervisor had called, asking where certain documents were located. When he found the employee's answer unsatisfactory, the supervisor said, "Well, this is the last straw." What is the best assessment of this situation?
(A) The employee has suffered discrimination
(B) The employee has suffered a constructive discharge
(C) The employee has quit
(D) None of theses