This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
[{'content': 'MEN 2B includes all except \nSelect and explain. \nA. MTC, B. Pheochromocytoma, C. Mucosal neuroma, D. Primary hyperparathyroidism', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref - researchgate.net', 'role': 'assistant'}]