Which of the Following Is True of Synaptic Overproduction with Respect

Which of the following is true of synaptic overproduction with respect to synaptic connections between neurons?

A) Both heredity and environment are thought to influence the timing and course of synaptic overproduction.
B) The peak of synaptic overproduction in the visual cortex occurs at about 1 year of age.
C) The peak of synaptic overproduction in the prefrontal cortex takes place at about the fourth postnatal month.
D) Synaptic overproduction does not occur in areas of the brain involved in hearing and language.