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: Medicine
[{'content': 'Nephrocalcinosis is a feature of A/E: \nSelect and explain. \nA. Primary hyperparathyroidism, B. Medullary sponge kidney, C. Vitamin D intoxication, D. Pseudo hypoparathyroidism', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Pseudohypoparathyroidism): Primary hyperparathyroidism. Medullary Sponge Kidney and Vitamin D excess are established causes. for nephrocalcinosis.', 'role': 'assistant'}]