What is customer segmentation?

A.
Subdividing similar customers into groups for prospecting and efficiently uncovering their needs

B.
Dividing a customers network infrastructure into manageable units for efficient control

C.
Dividing customers by physical location and region for defining sales territories

D.
Grouping the people in a company into similar work segments to improve processes and
services

Explanation:
http://searchcrm.techtarget.com/definition/customer-segmentation