In the case of nuclear disaster, which of the following options for cooling the nuclear reactors may be adopted?_x000D_ 1. Pumping of water to the reactors._x000D_ 2. Use of boric acid._x000D_ 3. Taking out the fuel rods and keeping them in a cooling pond._x000D_ Select the correct answer using the code given below:

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