(Choose 1 answer)
During which stage do children typically first produce syllable sequences similar to "mama" a how old are they?
A. In the cooing stage, at around four months.
B. In the later babbling stage, at around 9-10 months.
C. In the one-word stage, at around twelve and eighteen months.
D. In the two-word stage, at around two years.
an tot ni
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