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
Maximum plasma protein bound drug is ? 
Select and explain. 
A. NTG, B. Verapamil, C. Aspirin, D. GTN
B: Verapamil
Answer: B: Verapamil 
Explanation: Ans. is 'b' i.e., Verapamil