Infant babbling
a. occurs after protowords form.
b. reflects the sounds and rhythm of the adult speech the infant hears.
c. suggests that very young infants cannot discriminate between vowel sounds.
d. only occurs in the presence of a caregiver.
e. precedes cooing, but only among infants in Western language cultures.
b. reflects the sounds and rhythm of the adult speech the infant hears.
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