American Divorce Rates Have Followed Which of the Following Patterns

American divorce rates have followed which of the following patterns?

A) They rose during the 1970s but leveled off and began declining during the 1980s.
B) They have been increasing consistently since no-fault divorce was introduced in the 1970s.
C) They declined during the 1970s but began rising again precipitously during the 1980s.
D) They have been among the lowest in the world since the 1950s.