What Trend Is Consistent with the Findings on Marriage in Middle

What trend is consistent with the findings on marriage in middle adulthood?

A) Marital satisfaction is at its highest point when couples have children.
B) Marital happiness tends to be highest during the first year of marriage.
C) Satisfaction tends to remain steady throughout the time of the marriage.
D) High-quality marital interactions have little to do with marital satisfaction.