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In early vocal development, an infant's first form of sound is:

ACooing
BCrying
CBabbling
DFirst words
Answer & Solution
Correct answer: B. Crying
1. Infants first vocalise by crying. 2. Cooing follows, and then vocal play leading to babbling. 3. First words come about a year after birth. **Why not the others:** Cooing and babbling come after crying, and first words come last. _Source: Wikipedia, "Babbling", section "Typical development" (revision 1379794682)_
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