The Reason That a Child Who Has Only Heard English

Multiple Choice

The reason that a child who has only heard English since birth loses the ability to distinguish sounds in the Arabic language, is because

A) they have not generated neurons associated with the Arabic language in the language centers of the brain.
B) the synapses associated with the sounds in the Arabic language were not used and therefore pruned away.
C) neurons associated with certain languages are tied to genetic components based on heritage, and therefore, not present in their brain.
D) they have not developed the capacity to learn other languages, and will not until adolescence.