Mary Won a Case at the U

Mary won a case at the U.S. Court of Appeals. When the case was reviewed by the Supreme Court, only eight judges were present. Four of the judges voted for Mary while the other four voted against her. Which of the following would 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.