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
Dilated cardiomyopathy is due to 
Select and explain. 
A. Defective desmosomes, B. Mutated β myosin heavy chain, C. Mutated titin, D. Mutated osteoglycin
C: Mutated titin
Answer: C: Mutated titin 
Explanation: Option a: Arrhythmogenic right ventricular hypertrophy
Option b: Hypertrophic cardiomyopathy
Option d: Left ventricular hypertrophy.