Answer:
B. bien gracias ¿usted?
Explanation:
Since you are talking to an adult, you use the formal "you," usted.
Spanish things:
Corrects the use of prepositions on these posters
-it will help the elderly.
-If you face the good, you will never be one of them.
They’re right. You just spelled them wrong .
Mi cuñada y yo <em>decidimos</em> leer los libros
Tú <em>asististe</em> ala la clase de historia y francés