Which Scenario Represents the Most Common Reason for Divorce in a Late

Which scenario represents the most common reason for divorce in a late adulthood, long-term marriage?

A) Allen and Bethany are getting divorced because they grew apart.
B) Michael and Patty are getting divorced because Patty is in love with another man.
C) Rajiv and Padma are getting divorced because they cannot resolve their differences.
D) Harold and Rina are getting divorced because they never got over the death of their son.