Final answer:
The appropriate verb to fill in the blank is 'OA. Puede'
Step-by-step explanation:
To fill in the blank in the question '¿Usted repite la pregunta?' with the appropriate verb, the correct option is 'OA. Puede'. The verb 'puede' comes from the Spanish verb 'poder', which means 'to be able to' or 'can'. So the correct sentence would be '¿Usted puede repetir la pregunta?', which translates to 'Can you repeat the question?'
Learn more about Verb conjugation in Spanish