the answer is B.) usted
why? because "usted" is use to talk to an adult and "tu" is or a friend whit your same age or whit a friend
Answer:
Explanation:
tu / salir / imperativo = Sal
nosotros / hablar / presente = hablamos
ella / hacer / preterito = hizo
ellos / ver / imperfectio = vieron
yo / vivir / futuro = viviré
