Answer:
phonological awareness
Step-by-step explanation:
Phonology is the study of linguistics that deals with how sounds are arranged in languages that are spoken and sign language.
A person who does not have the idea of the structure of sound in a language is phonologically unaware.
Phonological awareness is needed for reading ability. Only if a person knows the structure of the sounds in a language he/she can read and speak correctly.
Here, Cater has a deficiency of phonological awareness.