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: Pharmacology
[{'content': 'Hypercalcemia is caused by all EXCEPT : \nSelect and explain. \nA. Loop diuretics, B. Lithium, C. Vitamin D intoxication, D. Thiazides', 'role': 'user'}, {'content': 'Answer: A \nExplanation: LOOP loses CALCIUM. Loop diuretics cause hypocalcemia by more excretion whereas thiazides cause hyperkalemia by decreasing its excretion.', 'role': 'assistant'}]