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.
You could set up like this
Me gusta (mira la tele en el verano)
Si, me gusta jugar (el futbol de americano)
Si me gustan ir a las fiestas (porque me gusta bailar )
Si, me gusta bailar (porque es divertido )
Words in () are just examples thag you can use if you want but before those are sentence starters
<span>plural to "get up":
we: nos levantamos
you (several people): levantaros (normal form)
you (several people): levántense (polite form)
plural to "write to me"
you (several people): escribidme (normal form)
you (several people): escríbanme (polite)
plural to "look at the paper"
you (several): mirad el papel / leed el papel (normal)
you (several): miren el papel / lean el papel (polite)
plural to "do the hw"
you (several): haced los deberes (normal)
you (several): hagan los deberes (polite)
I don't know if that's what where you looking for. but i hope this help you</span>
