With Regard to Work-Related Stress, Positive Psychologist Dr

With regard to work-related stress, positive psychologist Dr. Tal Ben-Shahar believes that the real problem:  

A) lies in a lack of sufficient recovery time following work sessions. 
B) is linked to unfulfilling tasks at work. 
C) is abusive supervisors who treat their employees poorly. 
D) is unproductive group norms in the work environment.