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: ENT
Gold standard surgical procedure for prevention of cheonic aspiration is 
Select and explain. 
A. Thyroplasty, B. Tracheostoncy, C. Tracheal diversion and permanent tracheostomy, D. feeding gastrostomy
C: Tracheal diversion and permanent tracheostomy
Answer: C: Tracheal diversion and permanent tracheostomy 
Explanation: None