Which of the Following Is True About the Hollywood Ten

Which of the following is true about the Hollywood Ten?

A) They were tried in a court of law and evidence was presented to show they were helping America's enemies.
B) They avoided punishment and appeared cooperative by giving names of people they thought or knew sympathized with communists.
C) They may have falsely named industry rivals as communist supporters in order to gain an advantage in Hollywood.
D) They only made films with patriotic or anticommunist themes.
E) None of the options are correct.