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
All are true about hypertrophic cardiomyopathy,Except- 
Select and explain. 
A. Digoxin is useful, B. Abdominal pain, C. Jaundice, D. Bleeding
A: Digoxin is useful
Answer: A: Digoxin is useful 
Explanation: None