Answer:
A
Explanation:
You have to look at the endings. They have to be the same, which would leave you with A and C. In A it has the lo (article), which means it. You need the article in this sentence.
1. El sombrero es muy elegante.
2. El abrigo es muy caro.
3. El cinturon es hermoso.
4. El precio es muy bueno.
5. La falda esta muy corta.
Gilberto talked to his dad last week.
Conjugating a verb? That's what I would call it, but honestly, not hundred percent sure what you are talking about.