Which of the Following Is NOT a Reason for the Growth

Which of the following is NOT a reason for the growth of developed land expanding faster than the growth of the population?

A) Federal, state, and local policies have subsidized the expansion of housing into undeveloped, raw land.
B) Americans generally dislike single-family homes with big back yards.
C) Families are getting smaller and there are fewer people per housing unit, allowing more homes to be built per person.
D) Homes are being built bigger than ever before.