The Best Statement Concerning the Impact of Drugs on Prenatal

The best statement concerning the impact of drugs on prenatal development is that the

A) drug alone is the best predictor of whether or not damage with occur.
B) combination of the drug and perinatal environment is the best predictor of whether or not damage with occur.
C) combination of the drug and the perinatal and prenatal environments is the best predictor of whether or not damage with occur.
D) combination of the drug, perinatal and prenatal environments, and the genetic make-up of the fetus is the best predictor of whether or not damage with occur.