Read the sentence below to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Choose the option with that part as your answer. If there is no error, choose 'D' as your answer. (Ignore the errors of punctuation, if any).
She walked in the room where the murder had taken place.
She walked in
the room where the murder
had taken place.
No error.
Correct answer is A
She walked into