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
10 year old boy developed hoarseness of voice following on attach of diphtheria, No other significant OLE or VR is paralysed, treatment of choice is 
Select and explain. 
A. Get foam infection of right VC, B. Fat injection of rigth VC, C. Thyroplasty Type 1, D. Walt for spontaneous recovery
D: Walt for spontaneous recovery
Answer: D: Walt for spontaneous recovery 
Explanation: It is right recurent Laryageal nerve palsy, hense only hoarsness is seen,so wait for recovery.