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:

He was very much engaged (a)/ in his work when the thieves (b)/ entered into his house (c)/ and took away a lot of things. (d)/ No error (e).

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