Which Scenario Is an Example of Homophily

Which scenario is an example of homophily?

A) Graduating college students attending a job fair to connect with prospective employers
B) Females are more likely to name male friends than vice versa
C) Smokers tend to befriend other smokers
D) Substance abusers are more likely to befriend non-substance abusers
E) Close friends are most likely to provide emotional support than distal friends