Close your door or tell your mom that he is singing loud so you can do your work
The answer is D. un.
Làpiz is a masuline word in Spanish, so "la" and "una" cannot be used since those are feminine. "Los" is also incorrect since that is the plural form, which is not being used in the sentence. Therefore, un is the correct choice.
D: she did not agree with her sister that Mooreland was a boring place :3
13. Todavía no or Aun no
14. No, no he ido todavia or Aun
15. No he ido al hospital todavía
16. Ya no
17. Todavía or aun (both works)
18. Ya no