Answer:
D
Step-by-step explanation:
A: not the answer. A personal pronoun is one that refers to oneself. I me are examples.
B: An antecedent (usually a pronoun) that refers to the subject.
John, when he was sober, was a delightful companion. he in that sentence is an antecedent refering back to John. Not B
C: Not C. A contraction is something like doesn't for does not. This and Those are not contractions.
D: These and Those are demonstrative pronouns. Take these home when you go. That really is taking a chance on the grammar. Sometimes you don't know what these stands for. Better to use them as demonstrative adjectives. Take these apples to the cashier.