Answer:
A. Su
Explanation:
Because Su literally translates to their. Tu means you/your and mi means mine/my.
If it were casas, then you just modify the pronoun to sus.
¿donde es la droguería?
¿donde estás?
I don't understand what or how is your question
Answer:
Hi there I would like to help you. Is there a way you can maybe send the link of the audio?
Donde (A) compraste tus anteojos de sol? Son muy elegantes. Los compré en la tienda de descuentos y no costaron mucho.
