The correct answer is option 'C', Aluminium.

Explanation:
- Conduction of Heat: Conduction is the process of heat transfer through direct contact between particles of a substance. In solids, heat is transferred through the vibration and collision of particles.
- Conductors and Insulators: Materials are categorized as conductors or insulators based on their ability to conduct heat. Conductors are materials that allow heat to flow through them easily, while insulators are materials that resist the flow of heat.
- Good Conductors: Good conductors of heat are materials that have high thermal conductivity, meaning they can transfer heat efficiently. These materials have closely packed particles that allow heat to move quickly from one particle to another.
- Aluminium: Aluminium is an excellent conductor of heat. It has a high thermal conductivity, which means it can transfer heat quickly. Aluminium has a densely packed structure, allowing heat to move through it rapidly.
- Comparison with Other Options:
- Wood: Wood is a poor conductor of heat. It has a low thermal conductivity due to its structure, which includes air pockets and a less dense arrangement of particles. Heat transfer through wood is slower compared to metals like aluminium.
- Plastic: Plastic is also a poor conductor of heat. It has a low thermal conductivity similar to wood. The structure of plastic materials includes polymers, which do not allow heat to pass through easily. Heat transfer through plastic is slower compared to metals like aluminium.
- None of these: Since both wood and plastic are poor conductors of heat, the correct answer is not "none of these." Aluminium, on the other hand, is an excellent conductor of heat, making it the correct choice in this scenario.

In conclusion, aluminium is a good conductor of heat due to its high thermal conductivity and densely packed particle structure.