Brianna has a sweet tooth. she cannot resist the urge to eat fudge brownies and chocolate tarts. she relishes feasting on sugary food items. however, being of a slim build, she wants to maintain her weight. she often gets depressed about her uncontrollable eating urges and consumes emetic, a drug to induce barfing. brianna is most likely suffering
a) bulimia nervosa
b) bipolar disorder
c) anorexia nervosa
d) obesity