This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of lipid, Subject name: Biochemistry
[{'content': 'Cofactor for lipoprotein lipase is \nSelect and explain. \nA. apo A-I, B. apo A-II, C. apo C-II, D. apo C-III', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Both phospholipids and apo C-II are required as cofactors for lipoprotein lipase activity, while apo A-II and apo C-III act as inhibitors. Reference: Harper; 30th edition; Page no: 257', 'role': 'assistant'}]