A Married Couple Retired to a Life Care Community After

A married couple retired to a life care community after the husband had heart surgery. The wife has always been physically and socially active and joined an aerobic class, knitting groups, and a book club shortly after moving to the community. She walks on a daily basis and swims twice a week. Her husband spends his days reading and watching television. He was never a social person and enjoys being by himself. Which of the sociological theories of aging best describes the couple?

A) Role theory
B) Disengagement theory
C) Continuity theory
D) Personality theory