Consider the following statements :Coke is one of the materials of the charge added to blast furnace for the production of steel/iron. Its function is to 1. act as the reducing agent2. remove silica associated with the iron ore3. function as fuel, to supply heat4. act as an oxidizing agentOf these statements

• A. 1 and 2 are correct
• B. 2 and 4 correct
• C. 1 and 3 are correct
• D. 3 and 4 are correct