Question: Which style rule would you apply to set the background image to display the contents of the wood.png file?

1. `background-image: file('wood.png');`
2. `background-image: url('wood.png');`
3. `background-image: wood.png;`
4. `image: wood.png`

Answer: The correct answer of the above question is Option B:`background-image: url('wood.png');`