Which of the following sentences will Heather Helms-Erikon use to illustrate her own argument

A．"Ten years into a marriage, you will still have great passion and you notice someone else and say, 'Only my wife or husband is my soul mate.'"
B．"The romantic part of marriage—while it can be there—should not be substituted by other things such as shared values and social status."
C．"The couple should focus on the 'three Cs'—communication, conflict resolution and commitment—to make marriage the first priority."
D．"Ten years into a marriage, you don't have that any more and you notice someone else and think, 'Maybe this person is my soul mate.'"