This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
[{'content': 'Lymphoid tissues reach their maximum size: \nSelect and explain. \nA. In early childhood, B. During adolescence, C. At pubey, D. At 20 years of age', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The thymus matures at pubey, thus attaining the maximum size Ref: guyton and hall textbook of medical physiology 12 edition', 'role': 'assistant'}]