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 of the following is the best source of factor VIII- \nSelect and explain. \nA. Fresh food, B. Fresh frozen plasma, C. Cryoprecipitate, D. Platelet concentrate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]