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': 'Which of the following drugs acts by increasing bone formation & inhibiting bone resorption \nSelect and explain. \nA. Denosumab, B. Zoledronate, C. Strontium ranelate, D. Calcitonin', 'role': 'user'}, {'content': "Answer: C \nExplanation: Strontium ranelate resembles calcium and\xa0incorporated into bone matrix and promotes bone formation. But osteoclasts can't remove it and thus inhibits bone resorption as well.", 'role': 'assistant'}]