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.
Answer:
hector y oscar "tienen" hambre y van a comer con nosotros
“Barcelona es más bonita” should be the right answer
Answer:
Yo soy la madre de mi hijo
Explanation:
Hope this helps
I believe the answer is es importante