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: Pediatrics
Most common manifestation of congenital Rubella syndrome is 
Select and explain. 
A. Cataract, B. Chorioretinitis, C. Deafness, D. Patent ductus arteriosus
C: Deafness
Answer: C: Deafness 
Explanation: Triad of congenital Rubella syndrome :

Salt pepper retiopathy > cataract.
Deafness.
PDA.
Of which deafness is the most common finding.