Final answer:
The neuter pronoun 'aquello' is the correct choice in this sentence for emphasizing distance.
Explanation:
Aquello would correctly complete the sentence. When referring to something far from both the speaker and listener, the neuter pronoun aquello is used.
For example: ¿Qué es aquí? O a aquello?
The use of aquello emphasizes distance, making it the appropriate choice in this context.
Learn more about Neuter Pronouns in Spanish here:
https://brainly.com/question/42024726
