You Have Divided the Jobs Performed by Your Department Through

You have divided the jobs performed by your department through work specialization and are now trying to decide how to best group these jobs to improve efficiency and customer service. You are considering whether to group activities by function, product, process, geography, or customer.
-Your company decides to establish Gulf, Levant, and North Africa zones of operation. Based on this expansion, you decide to implement _______departmentalization.

A) customer
B) area
C) matrix
D) regional
E) geography