This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood, Subject name: Medicine
[{'content': 'Cryoprecipitate contains \nSelect and explain. \nA. Factor VIII and fibrinogen, B. Factor VII and fibrinogen, C. Factor V and Factor VII, D. Factor VII and Factor VIII', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer: a) Factor VIII and fibrinogen CryoprecipitateMade from fresh plasma by cooling the plasma to 4degC and collecting the supernatant layerContents: Fibrinogen, factor VIII, vWF, factor XIII', 'role': 'assistant'}]