DaVanzo and Others Predict That Over the Next Few Decades

DaVanzo and others predict that over the next few decades,

A) the labor force participation of women will level off or even decrease.
B) the incentive to marry will be reduced and childbearing will be delayed.
C) conservative religious and political trends will lead to a decrease in the trend toward cohabitation.
D) all of the above three will likely happen.