Which Descriptor(s) Best Capture the Authors' Findings in Regard to Surrogate

Which descriptor(s) best capture the authors' findings in regard to surrogate parenting?

A) Surrogate parents often assume a parenting role for the child and supply help.
B) Surrogate parenting is decreasing among white families.
C) African-American surrogate parents report more difficulties with this role than white surrogate parents.
D) None of the statements correctly capture the findings.