This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': "'Growth Phase' of the hair \nSelect and explain. \nA. Anagen, B. Metagen, C. Metagen, D. Telogen", 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]