Directions: Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of that part is the answer.
Instead of helping her mother at the kitchen, Rekha was on her mobile talking to her friend.

Options

A. A) talking to her friend
B. B) of helping
C. C) at the kitchen
D. D) on her mobile

Answer

C

Explanation

The preposition .at. is incorrect according to the context of the sentence so it will be replaced by .in. because .in. means inside of something(kitchen in the given sentence). Hence, in the kitchen. will be answer.