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: Surgery
[{'content': 'In acute diveiculitis of the colon, the sigmoidoscopic finding is - \nSelect and explain. \nA. Mucosa is inflammed, B. Minute diveiculi seen, C. Saw toothed appearance, D. Sigmoidoscope cannot be passed beyond 15 cm', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Mucosa is inflammed", 'role': 'assistant'}]