What was the outcome of the North Carolina Supreme Court's decision on March 11, 2011, regarding the Libertarian Party of NC and NC Green Party's case?

A. The court ruled in favor of the Libertarian Party of NC and NC Green Party, striking down North Carolina's existing ballot access rules
B. The court ordered a new trial to be held in the case
C. The court remanded the case back to the North Carolina Court of Appeals for further review
D. The court ruled in favor of the State, upholding North Carolina's existing ballot access rules
Answer: 