Which of the Following Statements About the Buckley V

Which of the following statements about the Buckley v. Valeo case is true?

A) The Supreme Court ruled that issue advocacy advertising was unconstitutional.
B) The Supreme Court ruled that the use of focus groups in political campaigns was unconstitutional.
C) The Supreme Court got rid of the Federal Election Commission.
D) The Supreme Court ruled that the amount candidates could spend on their own campaigns cannot be limited.
E) The Supreme Court ruled that it was unconstitutional to restrict in any way the amount congressional candidates could spend on their own behalf.