Two Months After Her Husband's Death, Connie Was Still Not

Two months after her husband's death, Connie was still not herself. She often forgot to feed the dog, was late for work on a regular basis, and had not yet taken his clothes out of the closet. Which of the following diagnoses could apply to Connie according to the DSM-5?

A) Adjustment disorder with depressed mood
B) Persistent depressive disorder
C) Postpartum depression
D) Major depressive disorder