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: Pathology
[{'content': 'The following condition is not a single gene disorder \nSelect and explain. \nA. Arrhythmogenic right ventricular cardiomyopathy, B. Hyperophic cardiomyopathy, C. Dilated cardiomyopathy, D. Mitral valve prolapsed', 'role': 'user'}, {'content': 'Answer: C \nExplanation: . Dilated cardiomyopathy', 'role': 'assistant'}]