Final answer:
All options listed - subjective, objective, and plural are types of personal pronouns. Personal pronouns can function as subjects (subjective), objects (objective), or display ownership (possessive).
Step-by-step explanation:
The correct answer to the question "Which of the following is a type of personal pronoun?" is d) All of the above. Personal pronouns include subjective case pronouns that function as subjects, such as 'I, we, you, he, she, it, they'; objective case pronouns that function as objects, like 'me, us, you, him, her, it, them'; and possessive pronouns that show ownership, for example, 'my, ours, your, his, hers'. Therefore, subjective, objective, and plural are all types that pertain to personal pronouns.