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': 'Finasteride has efficacy in the prevention of male pattern baldness by virtue of its ability to: \nSelect and explain. \nA. Competitively antagonize androgen receptors, B. Decrease the release of gonadotropins, C. Inhibit the synthesis of testosterone, D. Reduce the production of DHT', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]