In His Majority Opinion,U

In his majority opinion,U.S.Supreme Chief Justice William Rehnquist wrote all of the following reasons in support of the constitutionality of state antifusion laws,EXCEPT

A) states should be able to avoid "voter confusion."
B) states should be able to permit two or more parties to nominate the same candidate for office.
C) states should be able to protect the "stability of their political systems."
D) states should be able to ensure the integrity of the ballot by prohibiting candidates to be cross-listed as two or more parties.