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': 'A patient on aspirin, will show the following finding? \nSelect and explain. \nA. Prolonged BT, B. Prolonged PT, C. Prolonged APTT, D. Prolonged CT', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]