How should UC define the service territories to ensure the high quality of optimization and dispatcher experience?

Universal container UC has 140 service resources who handle 2400 service appointment per day

How should UC define the service territories to ensure the high quality of optimization and dispatcher experience?
A . The service territories with fewer than 50 resource
B. One service territory with four polygons
C. Two service territories that split the service resource evenly
D. Five service territories with fewer than 500 service appointment per day

Answer: A