The equation representing the extraction of iron from its ore is given below. $\text{Fe}_2\text{O}_3 + 3\text{CO} \rightarrow 2\text{Fe} + 3\text{CO}_2$ Which statement is correct?
- AIron is oxidised.
- BIron(III) oxide is oxidised.
- CCarbon monoxide is oxidised.
- DCarbon monoxide is reduced.