Which of the following statements regarding the Social Ecological Model is true?

A. A major limitation of the model is that it does not consider individual -level factors such as self-efficacy
B. Interventions utilizing a Social Ecological Model approach to influence behavior are typically most effective when they include multiple levels of the model to affect behavior rather than focus on a single level
C. It focuses primarily on a treatment approach rather than a preventive approach
D. It is used to predict risk factors and diseases, but cannot be applied to predict healthy behaviors