Final answer:
Metalinguistic awareness refers to the ability to think about and analyze language. It improves considerably in the elementary school years and allows children to: think about their language, understand what words, and define words.So, when considering the improvements in metalinguistic awareness during elementary school, the correct answer is d. all of these.
Step-by-step explanation:
Metalinguistic awareness refers to an individual's ability to reflect on and manipulate the structural elements of their language. In the elementary school years, this awareness improves considerably and allows children to think about their language, understand what words are, and define words. So, when considering the improvements in metalinguistic awareness during elementary school, the correct answer is d. all of these.