Final answer:
A child with a hearing impairment is most likely to have their concept and vocabulary affected.
Step-by-step explanation:
The child who is most likely to have concept and vocabulary affected is a child who has a disability of
C. Hearing impairment
When a child has a hearing impairment, they may struggle with language development, which can affect their concept and vocabulary understanding. This is because hearing loss can make it difficult for them to hear and comprehend spoken words, which are crucial for learning vocabulary and understanding concepts.