Answer:
Freud might argue that George is fixated at the an al stage.
Explanation:
The an al stage is characterized by learning about control and exerting it through the control of the sphincters. This is associated also with retention and fear of losing control, as well as fear of mess, in a way, thus preferring to have everything spotless.
A fixation during this stage is related to OCD (Obsessive Compulsive Disorder).
George wants his cubicle to be spotless and everything is arranged according to a specific purpose and he gets agitated when something is rearranged, it can be concluded that George has OCD and is fixated on this stage.