Which conclusion can be drawn from the occurrence of the Red Scare and the decision of the Supreme Court in Schenck v. United States?

AImmigrants to the United States are consistently denied equal protection under the law.
BA person's best protection from persecution rests with the Supreme Court.
CCivil rights are sometimes compromised by the public's fear of radical political groups.
DViolent protests in the United States are usually met with a violent response from the government.