Select the most appropriate indirect form of the given sentence. Walter said to David, “ I am looking forward to tomorrow’s auction.”

Walter told David that he is looking forward to the next day’s auction. Walter told David that I am looking forward to tomorrow’s auction. Walter told David that he was looking forward to tomorrow’s auction. Walter told David that he was looking forward to the next day’s auction.

Walter told David that he was looking forward to the next day’s auction.