In CASE 42 the Citizens United V

In CASE 4.2 the Citizens United v.Federal Election Commission 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.