Which of the Following Arrangements Facilitate(s)relationships and Social Interaction

Which of the following arrangements facilitate(s) relationships and social interaction?

A) the economic homogeneity of gated communities where like-minded people relate to one another
B) the universal planning architecture of the workplace environments in the 1980s and early 1990s
C) diverse and multifunction communities with extensive street traffic
D) workplace situations where different activities and workers are segregated, building camaraderie among similar employees
E) communities in which the activities are directed toward the backyard rather than the street