Kelly Goes for a Walk Every Morning in the Park

Kelly goes for a walk every morning in the park near her apartment.She is acquainted with the other people who also walk in the park at the same time.She greets them whenever they meet and sometimes goes for an impromptu breakfast with them.This group is an example of a(n) _____ group.

A) professional
B) coercive
C) informal
D) utilitarian
E) dissociative