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
Virus causing acute onset sensorineural deafness -a) Corona virusb) Rubella, measlesc) Mumpsd) Adeno viruse) Rota virus 
Select and explain. 
A. a, B. bc, C. ac, D. ad
B: bc
Answer: B: bc 
Explanation: “The most common postnatal cause of acquired SNHL is meningitis, while the most common prenatal cause is intrauterine infection (eg TORCH infections, syphilis, mumps, measles)”.
According to Scotts Browth 7/e, p 3579 – Specific viruses like mumps and syphilis and encephalitis can cause sudden sensorineural hearing loss.