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': 'Bisphosphonates act by: \nSelect and explain. \nA. Increasing the osteoid formation, B. Increasing the mineralization of osteoid, C. Decreasing the osteoclast mediated resorption of bone, D. Decreasing the parathyroid hormone secretion', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]