Of the Following, Which Is the MOST Likely Conclusion from Werner's

Of the following, which is the MOST likely conclusion from Werner's Kauai study?

A) Children with prenatal or birth complications nearly always have later difficulties regardless of experience.
B) Adverse family circumstances prevent normal
development.
C) Prenatal and birth circumstances combine with experiences to determine children's development.
D) Even when one knows both the birth circumstances and the family circumstances of children, one cannot predict how they will develop.