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: Medicine
[{'content': 'Zinc deficiency is characterized by -a) Sexual infantilismb) Poor growthc) Cardiomyopathyd) Poor wound healing e) Loss of libido \nSelect and explain. \nA. acd, B. ade, C. abd, D. ad', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]