Yvonne's sister has decided to put her baby up for adoption, but she has to decide what type of adoption she wants to pursue. After the baby is born and adopted, she would like to stay in contact with the child and adoptive parents, and for the child to know her as the birth mother. Yvonne's sister discusses this with their aunt and uncle who are willing to legally adopt the child. Which type of adoption would be the best choice for Yvonne's sister? A. A closed adoption
B. A flexible adoption
C. An adoption by relative
D. An open adoption​