During a Well-Child Physical,a 16-Year-Old Girl Has a Normal History

During a well-child physical,a 16-year-old girl has a normal history and physical except for an excessive amount of tooth enamel erosion,a greater-than-normal number of filled cavities,and calluses on the back of her hand.Her body mass index is in the 50-75^th percentile for her age.The nurse would be most concerned about:

A) Anorexia nervosa.
B) Kwashiorkor.
C) Bulimia nervosa.
D) Marasmus.