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': 'A pregnant patient, Lata is admitted for the workup of hemolytic anemia. She is giving the history of taking an antihypertensive drug after beginning of her pregnancy. The most likely cause would be: \nSelect and explain. \nA. Minoxidil, B. Clonidine, C. Methyldopa, D. Labetalol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]