Which Statement Most Accurately Describes the Neurophysiology of Human Speech

Which statement most accurately describes the neurophysiology of human speech?

A) Human speech is determined solely by the regulatory action of genes such as FOXP2.
B) Broca's area in the cerebral cortex of the human brain works independently to enable comprehension of spoken language.
C) Genetic information underlies the ability of the brain to change in response to acoustic and social inputs during early development.
D) Humans learn and understand different languages as a result of hereditary differences in the FOXP2 gene.