C. pupil
." The Spanish word "pupitre" translates to "desk." So who uses a desk? Puppets, puppies, and puddles do not use desks, but pupils do. "Pupil" is a synonym for "student," so clearly, "pupil" and "pupitre" are connected.
Could you please make it clearer as to where the blank is?
“¿Tus amigas fueron a la Quinceañera de Lupe la semana pasada?”
“No, ella no invitó a mis amigas”.
Fueron/invitó
John me llama todos los días.