‘Ma-Ma’; ‘Na-Na’; ‘Da-Da’ are categorized as -

Correct option is B

"Ma-Ma," "Na-Na," and "Da-Da" are categorized as babbling sounds, which are repetitive consonant-vowel combinations produced by infants as part of language development.
Information Booster: Babbling typically occurs between 4 to 6 months of age and is a critical precursor to language acquisition. It demonstrates the infant's ability to experiment with sound and is influenced by interaction with caregivers.
Additional Knowledge:
· Crying sounds (a): Early form of communication, indicating discomfort or needs.
· Gestures (c): Non-verbal actions like pointing or waving.
· Cooing sounds (d): Early vowel-like sounds such as "oooh" or "ahhh," preceding babbling.