Select the most appropriate direct form of the given sentence.Madhuri told me that I could stay in her flat whenever I was in Kolkata.

• A. Madhuri said to me, “I could stay in her flat whenever I was in Kolkata.”
• B. Madhuri said to me, “You can stay in my flat whenever you are in Kolkata.”
• C. Madhuri said to me, “I can stay in my flat whenever I am in Kolkata.”
• D. Madhuri said to me, “You could stay in her flat whenever she was in Kolkata.”