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
Which of the following calcium channel blocker would be useful in the treatment of supraventricular tachycardia by suppressing AV node conduction: 
Select and explain. 
A. Amlodipine, B. Nimodipine, C. Verapamil, D. Nifedipine
C: Verapamil
Answer: C: Verapamil 
Explanation: None