What Is Suggested by the Fact That Coos Sound the Same,regardless

question 157

Multiple Choice

What is suggested by the fact that coos sound the same,regardless of whether or not the infant can hear?

• A) They arise from the infant's mutual exclusivity constraint.
• B) They are a reflection of the parents' recasts and extensions.
• C) They convey self-generated meanings for adult listeners.
• D) They develop with maturation of the brain and vocal organs.

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