Pawan said to me, "If I hear any news, I'll phone you."?

• A. Pawan told me that if he heard any news, he will phone me.
• B. Pawan told me that if he will hear my news, he will phone me.
• C. Pawan told me that if he had heard any news, he would phone me.
• D. Pawan told me that if he heard any news, he would phone me.