Answer:
The correct answer is: Yo.
Step-by-step explanation:
Personal pronouns designate the participants in the speech. The first person refers to the speaker, the second person to the listener, and the third to someone outside the conversation.
Personal pronouns in Spanish can perform different functions in the sentence by showing the relationship between the participants in the speech (that is, who executes the action, who receives it, etc.). Depending on their role, pronouns take different forms, as reflected in the table. Note that the third person singular and all persons plural have a form for the feminine and one for the masculine.