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: Pediatrics
[{'content': 'Growth retardation, taste alteration, hepatosplenomegly, hypochromic microcytic anemia, loss of hair, hypogonadism in a boy indicate deficiency of- \nSelect and explain. \nA. Selenium, B. Copper, C. Zinc, D. Iron', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Zinc", 'role': 'assistant'}]