The Term "Functional Distance" Refers to

The term "functional distance" refers to

A) the role that physical distance plays in the initiation of relationships.
B) the preferred distance between people that varies as a function of the quality of their relationship.
C) the level of comfort that people experience, depending on their distance from others.
D) psychological distance that follows from certain aspects of architectural design.
E) the optimal distance between two people who are speaking.