Tristan is in charge of cheerleading tryouts for their school. They need to pick 12 new cheerleaders to allocate across both the varsity and junior varsity squads. Which of the following is a viable solution?
A. 8 varsity cheerleaders and 4 junior varsity cheerleaders
B. 0 varsity cheerleaders and 12 junior varsity cheerleaders
C. 15 varsity cheerleaders and -3 junior varsity cheerleaders
D. 8 varsity cheerleaders and 8 junior varsity cheerleaders