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
Drugs that consistently reduce the potassium repolarising current and thereby prolong the action potential duration include all of the following except: 
Select and explain. 
A. Amiodarone, B. Lignocaine, C. Quinidine, D. Sotalol
B: Lignocaine
Answer: B: Lignocaine 
Explanation: None