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
The following is the feature of depolarizing blockade ? 
Select and explain. 
A. Tetanic fade, B. Post tetanic potentiation, C. Progression to dual blockade, D. Antagonism by anticholinesterases
C: Progression to dual blockade
Answer: C: Progression to dual blockade 
Explanation: None