Which of the Following Was a Significant Element of Justice

Which of the following was a significant element of Justice Oliver Wendell Holmes' majority opinion in Schenck v. U.S. (1919) ?

A) The declaration that the First Amendment's protection of free speech is NOT absolute
B) The establishment of the "Clear and Present Danger Test" for deciding between protected and punishable speech
C) The declaration that the First Amendment's protections are among the liberties incorporated through the Fourteenth Amendment's due process clause
D) Both of the first two options