Mary Has Already Won Her Case at the U

Mary has already won her case at the U.S. Court of Appeals. When the case is reviewed by the Supreme Court, only eight judges are present. Four of the judges vote for Mary while the other four vote against her. Which of the following will be the result of this case?

A) The case will be sent to the U.S. Court of Appeals for a review.
B) Mary will win the case as she had already won at the U.S. Court of Appeals.
C) The case will be reviewed again by the U.S. Supreme Court when all the judges are present.
D) Mary will win and the case will set a precedent for later cases.