Select the correct indirect form of the given sentence.

He said to the interviewer, "Could you please repeat the question?"

He requested the interviewer if he could repeat the question.

The correct indirect form of the given sentence is:

He requested the interviewer to repeat the question.

The other options are incorrect for the following reasons:

• He requested the interviewer if he could please repeat the question. This is a grammatically correct sentence, but it is not the most concise way to report the request. The word "if" can be omitted in this case.
• He requested the interviewer to please repeat the question. This is a grammatically correct sentence, but it is less formal than the previous option. The word "please" is not necessary in indirect speech.
• He requested the interviewer to repeat the question. This is the most concise and formal way to report the request.