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: Biochemistry
[{'content': 'Which of the following is an activator of LCAT \nSelect and explain. \nA. Apo B 100, B. Apo B 48, C. Apo E, D. Apo AI', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Apo-Al\xa0\n\nApo A-I is an activator for lecithin : cholesterol acyl transferase (LCAT).', 'role': 'assistant'}]