Which of the Following Statements Is FALSE About Adoptive Families

Which of the following statements is FALSE about adoptive families?

A) Openly adopted children who maintain contact with their birth mothers are not confused about their parents' identity.
B) Families can decide together how much contact they want birth parents to have as part of their adoption plan.
C) Open adoption has the best outcomes for children.
D) Adopted and non-adopted children have the same rates of clinical intervention required for severe behavioral problems.