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': 'Colonic pseudo obstruction occurs in all, EXCEPT: \nSelect and explain. \nA. Diabetes mellitus, B. Dermatomyositis, C. Scleroderma, D. Hypehyroidism', 'role': 'user'}, {'content': 'Answer: D \nExplanation: "Pseudo Obstruction is seen in hypothyroidism, not in hypehyroidism" Ref: Sabiston 18/e, Page 1372; schwaz 9/e, Page 992.', 'role': 'assistant'}]