Despite the very stressful events in his life, mark has been able to maintain good health. this is because of his persistent optimism and the emotional support of his family. an integrated understanding of mark's well-being is most clearly provided by:

biopsychosocial approach

Explanation:

Biopsychosocial approach:-

It is a kind of an interdisciplinary model which believes and looks at the interrelation and interconnection between psychology, biology and the socio-environmental factors. Biopsychosocial approach suggests that these factors play a very important role in the developing some topics in the life such as health and disease, recovery, human development.

In the given case study, Mark's well-being is most clearly provided by biopsychosocial approach.

answer; (c) all the above