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': 'An old man Baba comes to you and is diagnosed to be having benign hypertrophy of prostate. The drug which provides faster and greater symptomatic relief to this patient will be: \nSelect and explain. \nA. Terazosin, B. Desmopressin, C. Finasteride, D. Sildenafil', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]