Brody Says That the Needs of the Old for Care

Brody says that the needs of the old for care have far exceeded the capacity of the family to fulfill. Which of the following is not a cause that supports Brody's claim?

A) Families have a bean-pole or vertical structure.
B) Modern society fragmented the family and scattered potential sources of informal support.
C) People age 85 and over require support from children who often need care themselves.
D) Kin networks have become top-heavy with an average couple having more parents than children.