This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurotic, Stress Related and Somatoform Disorders, Subject name: Psychiatry
[{'content': 'Which of the following events is most likely to result in post-traumatic stress disorder (PTSD)? \nSelect and explain. \nA. Divorce, B. Bankruptcy, C. Diagnosis of diabetes mellitus, D. Robbery at knifepoint', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Robbery at knifepoint, a life-threatening event, is most likely to result in post-traumatic stress disorder (PTSD). While life events such as divorce, bankruptcy, illness, and changing residence are stressful, they are rarely life-threatening. Psychological symptoms occurring after such less severe events may result in adjustment disorder, not PTSD.', 'role': 'assistant'}]