Which of the following explains How did enlightenment thinkers such as Diderot and Voltaire challenge religious structures?

Voltaire believed that each state should only have one religion, but Diderot disagreed.
Diderot and Voltaire used reasoning rather than religion to explain the natural world.
Diderot and Voltaire believed that religion explained all natural phenomena.
Diderot believed that freedom of religion would cause problems within the state.

Diderot and Voltaire used reasoning rather than religion to explain the natural world.