In the Context of Health Psychology, 'Compliance' Is Defined As

In the context of health psychology, 'compliance' is defined as:

A) the extent to which the patient's behaviour (in terms of taking medication, following diets or other lifestyle change) coincides with the medical or health advice.
B) the regularity with which a person visits their doctor after experiencing illness symptoms.
C) the extent to which a patient agrees with the doctor's diagnosis.
D) the extent to which a patient passively accepts the treatments he/she is offered.