According to the Study by Festinger, Schachter and Back (1950)

According to the study by Festinger, Schachter and Back (1950) of residents in a married-student housing complex, with whom were individuals most likely to be friends?

A) Residents with whom they shared similarities that lived on a different floor.
B) Residents who lived near the mailboxes.
C) Residents from their hometowns who lived in a different dorm.
D) Residents who were of the same level of physical attractiveness.