Identify the segment in the sentence which contains the grammatical error from the given options.

The government employees (A)/ went doors to doors in a (B)/ village to fetch some data. (C)/ No error (D)

The correct answer is B

Key Points

• If a preposition comes after a noun and the same noun gets repeated, the noun will always be in a singular form.
  For example:
  • ​Shirts after shirts were sold in quick succession.
  • ​Shirt after shirt was sold in quick succession.​

Hence the correct sentence is: The government employees went door to door in a village to fetch some data.

Additional Information

• Let's look at the meaning of the vocabulary given in the sentence:
  Fetch- to go for and then bring back (someone or something) for someone.