During the 1988 Presidential Campaign Willie Horton Was Candidate George

During the 1988 Presidential campaign Willie Horton was candidate George Bush's (the elder) most valuable player because:

A) he contributed $2 million to his campaign even though it was illegally done.
B) he was Bush's top political campaign advisor.
C) Bush used Horton's crimes to criticize Dukakis's stance on crime.
D) Bush asked him to design central arguments against Dukakis's economic policy.