Respuesta :
The correct answer is:
Si, ellos son sus padres.
"Sus" refers to "la madre" and since "padres" is plural, you add the "s" and it becomes "sus".
Hope this helps! :)
Si, ellos son sus padres.
"Sus" refers to "la madre" and since "padres" is plural, you add the "s" and it becomes "sus".
Hope this helps! :)