Don is a quality control manager at Vittel Glass House. He shouts at his subordinates if they fail to meet his expectations. This has severely affected his relationship with his subordinates. Which of the following is a guideline for effective human relations that Don should follow in order to correct this?A. He should think before acting.B. He should create a win-lose situation in the company.C. He should be genuinely interested in himself.D. He should listen to other managers.