Answer:
Correct answer is a direct democracy
Explanation:
A direct democracy is a correct answer because people of Athens introduced certain political bodies, such as ecclesia.
Socialist government is of course wrong, because Socialism as a doctrine was introduced in the 19th Century.
A dictatorship is wrong answer, because people of Athens didn't allow politician to take to much control. Because of that they even introduced ostracism.
An absolute monarchy is also wrong because people of Athens abolished monarchy after the death of last king Codro.