It might be 56 percent cause babys are born every two seconds
I believe that it would be B (reloj) since it is talking about how there is a window, a door and then a clock in a classroom.
It is also giving you the masculine singular form indicating that it can only be reloj.
Que modos de vida de la sociedad puedes identificar (pastores).
<span>El último movimiento de la suite de estancia de Ginastera, titulado "final dance: malambo", hace uso de un formulario __________.</span>