This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition and health, Subject name: Social & Preventive Medicine
[{'content': 'Amino acid score of animal foods - \nSelect and explain. \nA. 40-50, B. 50-60, C. 70-80, D. 90-100', 'role': 'user'}, {'content': "Answer: C \nExplanation: - aminoacid score is a measure of the concentration of each essential aminoacid in the test protein expressed as a percentage of that aminoacid in the reference protein. - the aminoacid score for animal foods is 70-80. Reference: Park's textbook of preventive and social medicine, 23rd edition, pg no:634 <\\p>", 'role': 'assistant'}]