Which of the following is evidence that Sparta had small elements of democracy?

The Kings had absolute power.
The oligarchs had absolute power.
Some Spartan leaders were tyrannical.
Ephors could take Kings out of power.

Ephors could take the Kings out of power.

The evidence that Sparta had small elements of democracy can be found in the fact that Ephors could take Kings out of power. The other options provided, such as the kings having absolute power, the oligarchs having absolute power, and some Spartan leaders being tyrannical, actually suggest a lack of democracy rather than its presence.