Final answer:
If I were Luis, I would respond by saying 'Mi llaman Luis' or 'Yo soy Luis.'
Step-by-step explanation:
If I were Luis, I would respond to the question ¿Quién es usted? by selecting the answer option B, which is 'Mi llaman Luis.' This translates to 'They call me Luis.' However, a more common response would be option A, 'Yo soy Luis,' which means 'I am Luis.'
Learn more about Spanish greetings