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
Hemochromatosis induced cardioniyopathy, investigation of choice is- 
Select and explain. 
A. MRI, B. ECG, C. CT scan, D. Echocardiography
A: MRI
Answer: A: MRI 
Explanation: None