1. Yo conozco a Juan Alberto.
2. Ellos saben todos los detalles del cuento.
3. La clase sabe mucha información para el examen.
4. Tu madre conoce la ciudad de Paris.
5. María y yo conocemos todos los países en Sudamerica.
your answer is D hope it helps
If it is the translation of the statement it says, "Why is this guy so happy?"
Reflexive verbs are sometimes identified as being in the “middle voice” (as opposed to the active voice or the passive voice). Reflexive verbs can most easily be identified by the use of reflexive pronouns, which are used as the direct object and refer back to the subject of the sentence.
