This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammatory bowel disease, Subject name: Surgery
[{'content': "Most common cause of death in Crohn's disease is due to: \nSelect and explain. \nA. Sepsis, B. Thromboembolic complication, C. Electrolyte disturbance, D. Malignancy", 'role': 'user'}, {'content': "Answer: D \nExplanation: Both crohn's disease & Ulcerative colitis | | risk of colorectal cancer & S.I malignancy M/C Cause of death in CD - Malignancy", 'role': 'assistant'}]