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 of the following is not a centrally acting hypertensive agent \nSelect and explain. \nA. Methyldopa, B. Moxonidine, C. Minoxidil, D. Clonidine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Minoxidil is a\xa0K+ opener used to treat hypertension (peripheral\xa0antihypertensives).\nMethyldopa, moxinidine and clonidine are\xa0α2 agonists (central antihypertensives).', 'role': 'assistant'}]