What is the correct path selection for a call that is routed through a Cisco Unified Communications Manager system?

What is the correct path selection for a call that is routed through a Cisco Unified Communications
Manager system?

A.
Devices -> Route Group -> Route List -> Route Pattern

B.
Route List -> Route Pattern -> Route Group -> Devices

C.
Route Pattern -> Route List -> Route Group -> Devices

D.
Route Group -> Devices -> Route Pattern -> Route List