This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
[{'content': 'An old lady with mitral stenosis underwent hysterectomy for uterine fibroid and died after developing pulmonary edema. The order of cause of death in international ceificate is: NIMS 11 \nSelect and explain. \nA. Mitral stenosis, pulmonary edema, hysterectomy, B. Pulmonary edema, mitral stenosis, hysterectomy, C. Pulmonary edema, hysterectomy, mitral stenosis, D. Hysterectomy, pulmonary edema, mitral stenosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Pulmonary edema, hysterectomy, mitral stenosis', 'role': 'assistant'}]