According to the U.S.Supreme Court’s holdings and justifications, which of the following state juries is both sufficiently large and has sufficient unanimity to convict a defendant?

According to the U.S.Supreme Court’s holdings and justifications, which of the following state juries is both sufficiently large and has sufficient unanimity to convict a defendant?
A)a 12-member jury voting 7-5
B)a 10-member jury voting 9-1
C)a 6-member jury voting 5-1
D)a 5-member jury voting 5-0