Final answer:
The correct pronoun to fill the blank is 'ella'. In Spanish, pronouns must match the gender of the noun or person they are referring to.
Step-by-step explanation:
The correct pronoun to fill the blank is ella.
Therefore, the correct sentence is 'Me llamo Laura. Ella es Linda.'
In Spanish, pronouns must match the gender of the noun or person they are referring to. 'Ella' is the feminine pronoun used to refer to a female subject.
Learn more about Spanish pronouns