The Diathesis-Stress Model Assumes That to Become Ill ______

The diathesis-stress model assumes that to become ill ______.

A) a person must have only a relatively permanent predisposition to the illness
B) some type of stress is all that is necessary
C) both a relatively permanent predisposition to the illness and the experience of stress are necessary
D) a person needs to make a primary appraisal of threat or harm