Which Statement Best Describes the Typical Scenario When Grandparents Become

Which statement best describes the typical scenario when grandparents become the sole caregivers of their grandchildren?

A) The grandparents become more fulfilled with the new responsibility.
B) The parents are usually available but are refusing to care for the children.
C) The grandchildren refuse to live with the grandparents and end up in foster care.
D) The grandmother is usually the one who takes on the primary responsibility.