Point out the correct statement.

Options

1. ABelow $710^{\circ} \mathrm{C}, \mathrm{C}$ is better reducing agent than CO
2. BBelow $710^{\circ} \mathrm{C}, \mathrm{CO}$ is better reducing agent than C
3. CBelow $710^{\circ} \mathrm{C}, \mathrm{CO}$ is an oxidising agent
4. DBelow $710^{\circ} \mathrm{C}, \mathrm{CO}_2$ is a reducing agent