The case would reach the higher court when
C) The jury cannot reach a verdict.
Explanation:
When the lower court cannot reach on a verdict that can be refereed to as relatively correct in terms of its validity and its basis in the truth of evidence then there is a possibility of referring the case to a higher court for decision.
This is done in the Juvenile cases so as to assure that the trial is fair and only the person who is guilty gets accused and there is no possibility of sending someone behind the bars who has not committed a crime.