This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiomyopathies, Subject name: Medicine
Dilated cardiomyopathy does not develop in? 
Select and explain. 
A. Duchenne muscular dystrophy, B. Alkaptonuria, C. Sarcoidosis, D. Keshan Syndome
B: Alkaptonuria
Answer: B: Alkaptonuria 
Explanation: Alkaptonuria is not a/w dilated cardiomyopathy. Causes of Dilated Cardiomyopathy: 1. Toxin - alcohol 2. Sequalae to coxsackie myocarditis 3. Sarcoidosis 4. Duchenne's muscular Dystrophy 5. Keshan Syndrome (def. of Selenium) 6. Hemochromatosis 7.Doxorubicine