Which of the Following Is a Likely Reason That Women

Which of the following is a likely reason that women who consume a lot of caffeine deliver lower-birth-weight babies?

A) Fetuses exposed to caffeine do not absorb the nutrients they need to maintain growth.
B) Fetuses exposed to caffeine are less active and do not build as much muscle tissue.
C) Prenatal caffeine exposure increases fetal activity,therefore the fetuses consume more energy.
D) Prenatal caffeine exposure decreases fetal activity,therefore the fetuses expend less energy and need fewer nutrients.