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': 'Which one of these anti hypertensives is contraindicated in pregnancy? \nSelect and explain. \nA. Hydralazine, B. α-Methyldopa, C. Nifedipine, D. Enalapril', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]