In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'

Q:

Ritu as well as (a)/ some of her friends (b)/ have fallen in love with Sonu, who (c)/ is the eldest of son of an S.D.O. (d)/ No error (e)

• 1
  A
• 2
  B
• 3
  C
• 4
  D
• 5
  E