What Cyclical Pathway Can Develop That Eventually Leads to Obesity

What cyclical pathway can develop that eventually leads to obesity?

A) A child stops eating because of low self-esteem, becomes anorexic and then is successfully treated but still has negative feelings about her- or himself.
B) A thin child eats normally but is teased about their weight and begins to diet further.
C) A child eats because of feelings of depression and low self-esteem, gains weight, is rejected by peers, binges, and continues to gain weight.
D) A thin child binges because of depression and low self-esteem, purges and feels better, then feels safe to binge again, eating more later.