The answer is b. hayan because haya refers to a single person and hayas refers to a person whos taking to another person.
The answer would be "voy" which translates to "I am"
Mi hermano esta estudiando
Valentina y Ana son Guatemalecas
La cocina de mi amiga es desordenada
El comedor de mis abuelos es grande
El espejo esta roto
Sancho feels when Bolsa a call him? He feels upset