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: Medicine
[{'content': 'Target BP before thrombolysis in ischemic stroke is below \nSelect and explain. \nA. 185/110 mmHg, B. 165/100 mm Hg, C. 145/100 Hg, D. 120/80 mm Hg', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 185/110 mm Hg", 'role': 'assistant'}]