Question

Which possessive adjective correctly completes this conversation?

Answer 1

It would be "mis"

"mis" and "mi" both mean my in English the difference is "mis" is plural and since her parents are plural it would be "mis" instead of "mi" 


Translation

Marco: is that your parents wedding photo?
Marta: Yes, they are my parents.

Answer 2

Martha: Sí, ellos son mis padres