The correct sequence of expansion of forests in the decreasing order of districts of Bihar is

• A. Kaimur-Gaya-Nawada-West Champaran
• B. Kaimur-West Champaran-Gaya-Nawada
• C. West Champaran-Kaimur-Gaya-Nawada
• D. West Champaran-Kaimur-Nawada-Gaya