Research Demonstrates That Couples Who Have Similar Backgrounds and Preferences

Research demonstrates that couples who have similar backgrounds and preferences are:

A) more likely to be happy when they first marry, but are no more or less likely to be happily married later on.
B) more likely to be happily married later on.
C) are no more or less likely to be happily married later on.
D) are less likely to be happily married later on.