Estamos: we are
estas: you are
estan: they are
The question says where are Maria and Adela? You should change “Maria and Adela” to they, do the third option is correct.
<span>What is the civil status of Veronica Cortes? When did you decide to marry francisco and verónica? Who were invited to the party? Did the journalist like the food? Why was not Carmen to the party?</span>
C.
mayor número de turistas
I promise:)
