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: Pathology
[{'content': 'Agent responsible for increasing factor VIII activity in haemophilia is \nSelect and explain. \nA. a)\tEpsilon amino caproic acid, B. b)\tTranexamic acid, C. c)\tAvitene, D. d)\tDeamino D Arginine vasopressin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]