After Her Dentist Commented on the Damage Her Practice of Vomiting

After her dentist commented on the damage her practice of vomiting had caused to her teeth, Hilda realized that she had a problem. After seeing a psychiatrist, Hilda was diagnosed with anorexia, binge- eating/purging sub-type. Due to the severity of her condition, her doctor suggested that she be hospitalized. Hilda immediately entered an inpatient treatment program and embraced all aspects of the treatment regimen. What is unique about Hilda's case?

A) Psychiatrists rarely suggest hospitalization for this type of anorexia.
B) Dental problems are not seen in those with anorexia.
C) Hilda's lack of ambivalence about treatment.
D) The failure to use outpatient treatment before hospitalization.