For the Respondents in Luna's Study, Raising Children Was a Big

For the respondents in Luna's study, raising children was a big part of their lives. In terms of percentage, how many of these welfare mothers were currently raising children of their own at the time of the study?

A) All of them were raising their own children.
B) Approximately 95% of them were raising their own children.
C) About 50% were raising their own children, and also raising other people's children.
D) These welfare mothers were mostly actually raising their grandchildren, which consisted of about 60% of them.