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': 'HAM test is done for \nSelect and explain. \nA. G.P.I. anchor protein, B. Complement defect, C. Spectrin defect, D. Mannose binding protein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]