Which one of the following sequences in the ascending order of their geographical size is correct? [CDS 2003]

• A. Bihar - Chhattisgarh - Jharkhand - Orissa
• B. Jharkhand - West Bengal - Tamil Nadu - Chattisgarh
• C. West Bengal - Bihar - Chhattisgarh - Tamil Nadu
• D. Chhattisgrah - Jharkhand - Tamil Nadu – Orissa