Answer:
1. a possessive pronoun used as an adjective. - A. possessive adjectives
Possessive adjectives are for example "my", "yours" or "theirs", they are used to indicate that something belongs to someone.
2. a class of pronouns that points out which thing, person, idea, etc. is referred to. - B. demonstrative pronoun
The demonstrative pronouns in English are: this and these for things that are near the speaker, and that and those, for things that are farther away from the speaker.
3. any word, phrase, or clause to which a pronoun, occurring later in a sentence, refers - C. antecedent
An example of an antecedent in this phrase "Sarah arrived late because she could not find her car keys", is the word Sarah, which is the antecedent of "She".
4. a possessive personal pronoun that represents both the possessor and the thing possessed - D. absolute possessive pronouns
Absolute possessive pronouns in English are for example: "mine", "yours", and "hers".
