One-word stage in language acquisition is known as __________.

Correct option is C

The correct answer is (c) Holophrastic stage
Explanation:
The holophrastic stage occurs typically between 12 and 18 months of age. In this stage, a child uses a single word (a 'holophrase') to convey a complete thought or complex message, such as saying "Milk" to mean "I want milk."
Information Booster:
● Holophrase: A single word that functions as an entire phrase or sentence based on context and intonation.
● Semantic Density: One word carries a high load of meaning, often accompanied by gestures to clarify intent.
● Developmental Sequence: This stage follows babbling and precedes the two-word (telegraphic) stage.
● Vocabulary: Most holophrases are nouns representing familiar objects, people, or urgent needs (e.g., 'Mama', 'Up').
● Comprehension: At this stage, a child's receptive ability (understanding) far exceeds their expressive ability (speaking).
Additional Points:
● Option (a): Invented term – "Monostage" is not a standard technical term used in linguistics or child development.
● Option (b): Two-word stage – Telegraphic speech occurs later (18-24 months) and involves simple two-word sentences.
● Option (d): Pre-speech stage – Cooing occurs in early infancy (2-4 months) and consists purely of vowel sounds.

So the correct answer is (c)