Which Developmental Change in the Brain Occurs After Birth

Which developmental change in the brain occurs after birth?

A) The number of dendrites and synapses increases until adolescence, when they are reduced.
B) The number of axons increases and the number of dendrites decreases throughout adolescence and adulthood.
C) No developmental changes occur after birth because all the neurons the brain will ever have are present at birth.
D) New neurons grow until adolescence, when they begin to die.