In recent decades, the traditional family has been replaced by
a. dual-earner families.
c. childless families.
b. one-parent families
d. all of the above

A traditional family was one in which the woman stayed at home  with the children and the man worked outside of home, bringing the money and other goods back from work.

Today this is replaced by a number of different family types, including same-sex parents and including all of the above!