Which Is the Best Example of an Organization That Groups

Which is the best example of an organization that groups its employees by work processes?

A) a computer manufacturer that groups its personnel based on their individual occupational specialties
B) a life insurance company that places its employees into regional offices
C) a construction company that allocates its workers according to the type of work they will complete
D) a realtor that divides its sales team according to different consumer groups
E) a movie studio that assigns its production staff to teams based on movie genre