In TheCitizens United V

In theCitizens United v.Federal Election Commission case referenced in the text,regarding the constitutionality of corporate political expenditures,the U.S.Supreme Court:

A) upheld federal laws banning corporate independent expenditures on political candidates and also upheld the federal prohibition on the use of corporate treasury funds for electioneering communications or express advocacy.
B) upheld federal laws banning corporate independent expenditures on political candidates but struck as unconstitutional the federal prohibition on the use of corporate treasury funds for electioneering communications or express advocacy.
C) struck down as unconstitutional federal law banning corporate independent expenditures on political candidates but upheld the federal prohibition on the use of corporate treasury funds for electioneering communications or express advocacy.
D) struck down as unconstitutional federal law banning corporate independent expenditures on political candidates and also struck down as unconstitutional the federal prohibition on the use of corporate treasury funds for electioneering communications or express advocacy.