A Pregnant Woman Arrives at the Birth Unit in Labor

A pregnant woman arrives at the birth unit in labor at term,having had no prenatal care.After birth,her infant is noted to be small for gestational age with small eyes and a thin upper lip.The infant also is microcephalic.Based on her infant's physical findings,this woman should be questioned about her use of which substance during pregnancy?

A) Alcohol
B) Cocaine
C) Heroin
D) Marijuana