Which of the Following Is the Best Definition of Soft

Which of the following is the best definition of soft money?

A) money collected through illegal donations
B) money contributed directly to political parties and other organizations at the state and local levels for political activities that are not regulated by federal campaign spending laws
C) nonmonetary donations made to a party for use of privileges such as airplanes and hotel rooms that are not officially considered income
D) money that is left over after the election
E) money that is contributed by a candidate to a political party in order to receive the party's support in an upcoming election