Which of the Following Best Describes the Changes in Household

Which of the following best describes the changes in household size throughout the history of the United States?

A) Family size has shrunk dramatically from the early farming years to the current urban setting.
B) Currently,the family in the United States is a well defined,small nuclear family; in contrast,for the first two hundred years of U.S.history,the family was a large extended family.
C) Households in the United States have always included grandparents,aunts,uncles,and other members of the extended family.
D) The nuclear family seems to have long been preeminent.