These sentences are from the text. Which one best explains what allowed humans to stop using open flames for light at night?
A Instead, they burned fuels at power plants.
B It was used in paint, medicine, and chewing gum.
C What’s left behind is dark, sticky natural asphalt.
D Tallow came from the fat of butchered livestock.
A Instead, they burned fuels at power plants.
This sentence best explains what allowed humans to stop using open flames for light at night because it indicates a shift to a new source of energy—burning fuels at power plants—rather than relying on open flames. This transition represents a significant advancement in technology that provided safer and more efficient lighting options.