SAT English Practice Question

In the essay "On Liberty," John Stuart Mill argues that "the peculiar evil of silencing the expression of an opinion is, that it is robbing the human race; posterity as well as the existing generation; those who dissent from the opinion, still more than those who hold it." What is Mill's main point in this passage?

1. A.Suppressing opinions robs future generations of the chance to hear them, even if they disagree with them.
2. B.It is harmful to silence opinions that are held by a majority of people.
3. C.People who dissent from an opinion are more likely to be harmed by its suppression than those who hold it.
4. D.It is important to respect all opinions, even if they are wrong.