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': 'What is the composition of phospholipid \nSelect and explain. \nA. Glycerol + phosphate + Choline or ethanolamine, B. Glycerol + 1 Fatty acid + phosphate + Choline or ethanolamine, C. Glycerol +  2 Fatty acids + Phosphate + Choline or ethanolamine, D. Glycerol + 3 Fatty acids + Phosphate + Choline or ethanolamine', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]