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': 'Congenital hypercoagulability states are all of the followings, except: \nSelect and explain. \nA. Protein C deficiency, B. Protein S deficiency, C. Anti-phospholipid antibody syndrome, D. MTHF gene mutation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]