Which of the Following Statements About Cohabiting Arrangements in the U.S

Which of the following statements about cohabiting arrangements in the U.S. is true?

A) Most cohabiting couples want the official aspects of marriage.
B) There is absence of any link between education and cohabitation rates in the U.S.
C) The length of cohabitation has been increasing since 1995.
D) Most of these arrangements are very long-lasting.