Answer is A because “comer comida” means eating food so you would brush your teeth.
Definite articles in Spanish means "the"
Indefinite articles in Spanish means "a, an, and some
11. oscuridad
12. voz
13. dije
14. veo
15. aquí
16. mi hijo
17. nada
18. tengo
19. ahorita
20. espero
I found this on a page, I hope this works :)
Refines y proverbios ? what do you mean ?