A Previously Healthy 56-Year-Old Woman Comes to the Family Physician

A previously healthy 56-year-old woman comes to the family physician for a 1-month history of sleep disturbance and sadness. The symptoms have been occurring since her husband died in a car accident. Before eventually falling asleep, she stays awake for multiple hours and has crying spells. Several times she has been woken up by the sound of her husband calling her name. She has lost 3 kg (6.6 lb) over the past month. She has 3 children with whom she still keeps regular contact and regularly attends church services with her friends. She expresses a great feeling of loss over the death of her husband. She has no suicidal ideation. She is alert and oriented. Neurological examination shows no abnormalities. Which of the following is the most likely diagnosis?

A) Adjustment disorder with depressed mood
B) Generalized anxiety disorder
C) Major depressive disorder
D) Normal sadness
E) Persistent depressive disorder