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: Pathology
[{'content': 'Which of the following statements is true for MEN type 1 \nSelect and explain. \nA. There is hyperplasia of parathyroid gland, B. Chromophobe adenoma of pituitary gland may result in acromegaly, C. Pancreatic tumours may produce gastrin, insulin glucagon, somatostain, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]