Which of the Following Findings Noted in Observations of Older

Which of the following findings noted in observations of older babies supports the statement that babbling is a precursor to the use of real speech?

A) Older babies' babbling has stress and pitch changes that resemble real speech.
B) Babies tend to babble using universal phonemes, not phonemes that are unique to their native language.
C) The phonemes that babies use when they are babbling are often put together in ways that are not consistent with real words, demonstrating that babies are actively constructing their own sound utterances.
D) Babies use neither declarative nor question patterns of intonation in their babbles.