What Are the Four Components That Researchers and Practitioners of Occupational

What are the four components that researchers and practitioners of occupational health psychology focus on to reduce work-related psychosocial disorders?

A) organizational change, information, psychological health services, and surveillance
B) organizational change, information, psychological health services, and violence in the workplace
C) information, stress moderators, surveillance, and violence in the workplace
D) stress moderators, negative affectivity, depression at work, and information