Raul Sued Juan Over an Employment Dispute at Raul's Company

Raul sued Juan over an employment dispute at Raul's company. Juan was accused of selling the company's secret recipe for their specialty desserts. Juan however won the lawsuit. Raul would like to appeal because he believes that the jury did not properly look at all of the exhibits he presented at the trial. Would a court hear this appeal?

A) Yes, all cases where a jury does not look at all the evidence is appealable.
B) Yes, but only if both parties agree to the appeal.
C) Yes, but only if all the witnesses are available.
D) No, to be eligible to appeal, the losing party must argue prejudicial error of law.
E) No, Raul was the plaintiff and the plaintiff is not allowed to appeal.