Which of the following substances during pregnancy suggests these symptoms?

A male newborn is delivered at 38 weeks' gestation following an uncomplicated pregnancy. Twelve-hours later, he begins sucking frantically and crying inconsolably. He overreacts to stimuli around him and has a marked startle response. The symptoms slowly resolve over the next 2 to 3 weeks.
A. Alcohol
B. Heroin
C. LSD
D. Marijuana
E. Psilocybin