Answer: C.) Carolina es estudiante de historia de arte y está de conservadora en el museo.
Translation: Carolina is a student of art history and is like a curator in the museum.
Explanation: In Spanish, the verb "ser" is used to indicate occupation (estudiante) , the verb "estar" to indicate its location in a specific place. (en el museo), and the preposition "de" (conservadora) indicates what she does in that place.
[tex]\textit{\textbf{Spymore}}[/tex]