Select the correct indirect form of the given sentence.Nakul asked her, "How do you know that Rahul has told it to him?"

• A. Nakul asked her how she knew that Rahul had told that to him.
• B. Nakul asked her that how she has known that Rahul has told that to him.
• C. Nakul asked her how she knew that Rahul has told that to him.
• D. Nakul asked her that how she knows that Rahul had told that to him.