Directions. In the sentence given below, one/some parts have errors, and others are correct. Find out which part has an error and mark it as your answer. If there is no error, mark ‘No error’ as your answer.

Sherlock asked me to go by these files to gather evidence /(A) that will help us to solve this mystery. /(B) He has gone to the magistrate's office /(C) to discuss this case further/(D).