In dictatorships, the could more realistically be called a "no-party" system.

The one-Party system could more realistically be called a "no-party" system

The main purpose we create several parties in the government is to provide a different political point of views so the people can freely choose which party that could represent them in the government

In dictatorship, all the power falls into one group of people and all the law and policies in that country can only be determined by that group without giving any choice for the people to choose their own representative, so what is the purpose of creating a party ?

Apolitical machine ~ apex 

D, because civic virtue is basically doing what’s morally good.