Research on Language Acquisition Among Deaf Children Has Shown That

Research on language acquisition among deaf children has shown that

A) deaf infants "babble" in sign language in the same manner as hearing infants "babble" in spoken language.
B) the sequence of language acquisition between deaf children learning sign and hearing children learning spoken language are quite different.
C) while hearing parents speak in child-directed speech, deaf parents do not sign in a child-directed manner.
D) the language areas of the brain developed in deaf children exposed to sign language are in the opposite hemisphere of hearing children exposed to speech.