For Young Adults, the Workplace Presents Opportunities for Forming Friendships

For young adults, the workplace presents opportunities for forming friendships,

A) which tend to stay within the person's same ethnic group and same gender.
B) which are more likely to cross ethnic lines than to be cross-gender friendships.
C) which are more likely to cross gender lines than to be cross-ethnic friendships.
D) which tend to form on the basis of job similarity rather than gender or ethnicity.