Priscilla's Friends Are Growing Increasingly Concerned About Her Since the Loss

Priscilla's friends are growing increasingly concerned about her since the loss of her husband.Her sadness seems to be taking over her life.She lives in her pajamas,there is garbage throughout her house,her days and nights are all mixed up,and she no longer bathes.What key feature of a psychological abnormality is Priscilla showing with her behaviour?

A) distress
B) deviance
C) danger
D) dysfunction