The case of Max v. National Credit Co. is heard in a trial court. The case of O! Boy! Ice Cream Co. v. Refrigerated Transport, Inc. is heard in an appellate court. The difference between a trial and an appellate court is whether
A. the proceedings focus on the presentation of evidence and the examination of witnesses.
B. the court is appealing.
C. the parties question how the law applies to their dispute.
D. the subject matter of the case involves complex facts.