Which of the following best describes the main tenant of the Job Demand-Control-Support model? A. Demands lessen the harmful effects of control and support on strain. B. Any beneficial effects of demands on strain are made worse or hampered by control and support. C. Control and support make the harmful effects of demands on strain worse. D. Any harmful effects of demands on strain can be offset or buffered by control and support. E. Any demand, including control and support, leads to harmful strain