The Study of Partnering "Markets" in Chicago by Laumann and His

The study of partnering "markets" in Chicago by Laumann and his colleagues found that:

A) Women were more likely than men to meet a partner through work or church as they got older
B) In Latino/a neighborhoods, family, friends and the church played a more important role in meeting partners than in other areas
C) Young, upper-income individuals were more apt than other individuals to find partners at school or work
D) all of the above