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: Pharmacology
Drug to be avoided in HOCM (Hypertrophic obstructive cardiomyopathy) is: 
Select and explain. 
A. Amiodarone, B. Verapamil, C. Digoxin, D. Beta–blockers
C: Digoxin
Answer: C: Digoxin 
Explanation: None