Answer:
c. bulimia nervosa
Step-by-step explanation:
Bulimia nervosa: In abnormal psychology, the term "bulimia nervosa" is described as one of the eating disorders in which an individual is marked by a short period of "out-of-control binge-eating" that is being followed by using diuretics or laxatives to purge or self-induced vomiting. However, an individual who is experiencing bulimia nervosa is often posses co-existing "psychological illness" for example, substance use disorder, depression, and anxiety.
In the question above, an appropriate diagnosis for Irene is bulimia nervosa.