Answer:
E. Definitions in sentence form
C. Key words in italics
Explanation:
Context clues are those clues and suggestions that are in a sentence or paragraph that helps a reader to understand new words and their meanings.
Definitions in sentence form is a type of context clue where the meaning of a new or unfamiliar word is immediately explained after its use.
Key words in italics are used to indicate that a new word is in use and will be explained.
