Answer: A. Tú has buscado una casa nueva.
Explanation:
For an adjective that ends in an e you would put el before it because it is masculine. If the adjective ends in an a you would put la before it because it is a feminine.
Siete- uno-ocho-dos-cinco-uno-dos-nueve-cuatro-tres
A mis hermanas les encanta ALMORZAR papas fritas en el jardín a la 1 en la tarde.