Which of the Following Statements About the Nature of Grandparenting

Which of the following statements about the nature of grandparenting is TRUE?

A) Women may have fewer expectations about the grandmother role and see it as more voluntary.
B) About 70 percent of the grandparents who move in with their children are grandfathers.
C) Almost half of grandchildren who move in with grandparents are raised by a single grandfather.
D) Grandmothers have more contact with grandchildren than grandfathers do.