Alcida duda que mateo en su casa. a. esta b. esté

The right answer that fills the blank is:

- Alcida duda que Mateo esté en su casa.

Explanation:

The translation of the sentence in the answer is:

- Alcida doubt that Mateo is at home.

Within the sentence it is required to use the subjunctive form of the verb "estar," since it refers to a fact that is doubtful to occur, the conjugation of the verb "estar" in its subjunctive form, taking into account personal pronouns:

How the noun used in the sentence is Mateo, which can be replaced by the personal pronoun "él," the right conjugation is "esté."

el orden del párrafo seria el siguiente:

micaela esta de vacaciones en buenos aires, tiene una cita para ir en canoa al lago. ella pasea hasta el jardin de los poetasy termina su dia con una caminata por el jardin botánico.

same as the person below me