Final answer:
The sentence that uses a pronoun incorrectly is 'Readers still enjoy Flannery O'Connor's stories today because you can relate to her realistic and humorous style.'
Step-by-step explanation:
The sentence that uses a pronoun incorrectly is:
Readers still enjoy Flannery O'Connor's stories today because you can relate to her realistic and humorous style.
The pronoun 'you' is used incorrectly in this sentence. It should be replaced with 'readers' to maintain subject-verb agreement.
Learn more about using pronouns correctly