Copper(II) oxide reacts with carbon on heating. $2\text{CuO} + \text{C} \rightarrow 2\text{Cu} + \text{CO}_2$ Which of the following statements about this reaction is correct?
- ACarbon is the oxidising agent.
- BCarbon is the reducing agent.
- CCopper(II) oxide is oxidised.
- DCopper(II) oxide is the reducing agent.