Robert Moss has a very extroverted personality. When he calls on customers, he customarily leans on their desks, uses part of their desks to hold their presentation material, and will sometimes rearrange customers' desks for his own comfort. When Robert walks around a prospect's desk to give them a hug, Robert is most likely guilty of:
A. territorial invader.
B. space threat .
C. space invasion.
D. territorial threat.
E. situational distortion.
Answer: C. space invasion.