Homogamy, a term sociologists use to mean the tendency to choose romantic partners based on similarities in background and group membership, is very common. Why?

A. It is too difficult to raise children with people who have different backgrounds from us.
B. We tend to have more access to people like ourselves.
C. People are rebelling against the common knowledge that "opposites attract."
D. We are hardwired to actively look for partners similar to ourselves.