Multiple Choice
Becky is a 4-month-old infant whose mother uses a high-pitched voice, simple words or phrases, and lots of repetition when she speaks. Becky delights in her mother's use of _____.
A) long, grammatically correct sentences
B) a variety of high and low tones
C) child-directed speech
D) babbling
Correct Answer:

Verified
Correct Answer:
Verified
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