Which of the following groups is generally considered most at-risk?
o lower-class 20- to 24-year-old African-American females
upper-class 16- to 20-year-old Caucasian females
upper-class 16- to 20-year-old African-American females
lower-class 24- to 30-year-old Caucasian females

Annette suffers from recurrent episodes of gorging on large quantities of food followed bypurging through self-induced vomiting in order to prevent gaining weight. although her weight is well below normal to the point that others see her as "skin and bones," she worries excessively about being fat. she also has impulse control problems in other areas of her life.she is suffering from ) binge-eating/purging anorexia2) restrictive anorexia3) bulimia nervosa 4) binge-eating disorder