Shulman and Bowen's Study of Athletes at Various Types of Colleges

Shulman and Bowen's study of athletes at various types of colleges and universities showed that:

A) athletes in all sports and at all types of colleges and universities generally segregated themselves socially into social networks of athletes.
B) athletes in all sports at small colleges tended to have very open and diverse social networks with a mix of some athletes with mostly nonathletes.
C) the friendship networks of athletes were unaffected by their participation in sports in most types of colleges and universities.
D) athletes did not have any friendship networks.