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': 'Barth syndrome refers to \nSelect and explain. \nA. Cardiac tamponade + skeletal myopathy + lymphopenia, B. Dilated cardiomyopathy + skeletal myopathy + neutropenia, C. Restrictive cardiomyopathy + skeletal myopathy + neutrophils, D. Restrictive cardiomyopathy + skeletal myopathy + lymphopenia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Barth syndrome is severe congenital neutropenia along with muscle\xa0 weakness and dilated cardiomyopathy.', 'role': 'assistant'}]