This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'Alpha methyldopa primarily used for \nSelect and explain. \nA. Pregnancy induced hypeension, B. Renovascular hypeension, C. First line agent in hypeension, D. Refractory hypeension', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Methyldopa was primarily used in the past but is now used widely for pregnancy induced hypeension. Refer katzung 11e p173', 'role': 'assistant'}]