La comida está hecha.
El carro está arreglado.
Answer:
1. Argentino
2. Puertorriqueño
3. Dominicano
4. Chileno
5. Mexicano
6. Guatemalteco
7. Panameno ( has the little ~ on the second n)
8. Peruano
9. Cubano
10. Colombiano
11. Costarricense
12. Texano
The answer is "Yo"
this is the answer because "Laura" is saying her opinion.
Not "nosotros"(we) because she is talking about herself.
Not "tu"(you) or "ellas"(they fem.)because it doesn't match up with the verb used in the sentence "creer".
The answer to your question is "trabajé"