The answer is b. political or social.
The answer is When referring to a Pope, street, or royalty.
Hope this helps!!! :)
2+4=6 that how I got my answers
Cuando hablas con una persona que no conoces debes usar "usted".
Aquí en el museo tu tienes que enseñar a los visitantes diferentes obras de arte.
Translated in English: Here in the museum you have to teach the visitor the different artworks.
