Which of the Following Is NOT a Trend Related to Cohabiting

Which of the following is NOT a trend related to cohabiting?

A) Increasing numbers of people are cohabiting.
B) The number of cohabiters who eventually marry is increasing.
C) An increasing proportion of babies born out of wedlock are born to cohabiting couples.
D) Young children are more likely than ever before to live with parents who are cohabiting but who are not legally married to each another.
E) Cohabitation as an alternative to marriage is increasing in northern European countries.