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
Post operative muscle ache is caused by 
Select and explain. 
A. d-TC, B. Suxamethonium, C. Gallamine, D. Pancuronium
B: Suxamethonium
Answer: B: Suxamethonium 
Explanation: None