Answer:
Es el primer dentista en trabajar aquí.
Explanation:
according to Google translate, the correct spanish equivalent of;
"He is the first dentist to work here" is;
" Es el primer dentista en trabajar aquí.".
reference: Google translator mobile app
The sentence translates to: I edit everything that has been written by journalists. Therefore, editora is the correct answer. (editor)
<h2>
A. editora </h2>