PT 36 S2 Q1

Traditionally, members of a community such as a town or neighborhood share ... ...

Which one of the following most accurately expresses the central idea of the passage?
(A) Because computer conferences attract participants who share common interests and rely on a number of mutually acceptable conventions for communicating with one another, such conferences can substitute effectively for certain interactions that have become rarer within actual communities.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Practice Set: History & Humanities Mix 2