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': "Which one of the following is an absolute contraindication to the use of thrombolytic agent in the setting off an acute anterior wall myocardial infarction - \nSelect and explain. \nA. History of CVA with hemiparesis one month ago, B. Diabetic retinopathy, C. Patient's age more thari 70 years, D. Patient is on warfarin for A.F. with INR ration 1:8", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]