Los libros de Esteban
Los lápices de Margarita
La carpeta de Dolores
El amigo de Paco
La hermana de Diego
Answer:
Vaquero
Explanation:
Vaqueros means cowboys and i assume that people of old age are not gonna dress as lawyers or the president. And Viudos means widower and the sentence doesn't say that anyone died.
I think its D.La directora