Whose Marriage Is Most Typical of Those in Older Adulthood

Whose marriage is most typical of those in older adulthood?

A) Bill and Simone, who argue in front of other people all the time
B) George and Louise, who point out each other's faults and have done so since their honeymoon
C) Wallace and Barb, who kid with each other all the time
D) Charles and Karen, who barely speak to each other and are each involved in their own activities