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: Psychiatry
[{'content': 'The eight-stage classification of human life is proposed by \nSelect and explain. \nA. Erikson, B. Pavel, C. Strauss, D. Sigmund freud', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Erik Homberger\xa0Erikson\xa0was a German-American developmental psychologist and psychoanalyst known for his theory on the psychological development of human', 'role': 'assistant'}]