In centralized systems:

A$)$ systems development is a combined effort of domestic and international units.

B$)$ development occurs at the home base and operations are handed over to autonomous units in foreign locations.

C$)$ systems development and operations occur in an integrated and coordinated fashion across all units.

D$)$ each foreign unit designs its own unique solutions and systems.

E$)$ systems development and operations occur totally at the domestic home base.