All of These Were Responses to Republican Senator Joseph McCarthy's

All of these were responses to Republican Senator Joseph McCarthy's communist "witch-hunt," known as McCarthyism,EXCEPT which of the following?

A) The Democratic Party launched its own search for communists at home by reviving HUAC.
B) The Supreme Court blocked many of McCarthy's attempts to punish communists and protected their right to free speech.
C) The FBI investigated civil rights groups for communist connections under the leadership of J.Edgar Hoover.
D) Public support remained in favor of McCarthy until televised committee meetings showed him verbally bullying uniformed officers and making wild accusations against the nation's military leaders.