Select the correct sequence of the following iron and steel plants from east to west. 1. Durgapur 2. Bokaro 3. Rourkela 4. Bhilai Code:

• A. 1, 2, 3 and 4    
• B. 2, 3, 1 and 4
• C. 1, 2, 4 and 3    
• D. 1, 3, 4 and 2