This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscle relaxants, Subject name: Anaesthesia
Long acting non-depolarising competitive blocker is 
Select and explain. 
A. Doxacurium, B. Rocuronium, C. Mivacurium, D. Atracurium
A: Doxacurium
Answer: A: Doxacurium 
Explanation: None