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
[{'content': 'The following is the feature of depolarizing blockade ? \nSelect and explain. \nA. Tetanic fade, B. Post tetanic potentiation, C. Progression to dual blockade, D. Antagonism by anticholinesterases', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]