A Person Is More Likely to Gain Weight and Be

A person is more likely to gain weight and be resistant to weight loss if he or she has low

A) cholecystokinin (CCK) and peptide YY (PYY) .
B) leptin, ghrelin, and neuropeptide Y.
C) metabolic rate, fat metabolism, fidgeting, and sympathetic nervous system activity.
D) protein intake, FTO genes, basal metabolic rate, and parasympathetic nervous system activity.