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': 'True about Haemophilia A are all except - \nSelect and explain. \nA. PTT increased, B. PT increased, C. Clotting time is increased, D. Serum levels of factor VIII are decreased', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]