Why Do Children Begin Using Prepositions, Conjunctions, and Articles at a Later

Multiple Choice

Why do children begin using prepositions, conjunctions, and articles at a later age of 2-3?

A) They require children to have a foundation of nouns.
B) They require children to have a foundation of prefixes and suffixes.
C) They require children to have a foundation of verbs.
D) They require children to have a foundation of both nouns and verbs.
E) They require children to have a foundation of morphemes.