Carrie's professor asked her to describe democracy. Which of these statements should she use?

Multiple choice question.

The pure form of democracy believes that laws and policies should be made directly by citizens.

In a representative democracy, political repression is often widespread.

The pure form of democracy is based on a belief that $$the good of society$$ can be achieved only through violent revolution.

In a representative democracy, basic civil liberties are often denied to citizens.