Answer:
Mariana because she did not see the ladder
Explanation:
(Preparar) = preparan
Los camareros preparan la comida.
C. estaremos llegando
Why? Because it’s talks about us so you need to use the proper term. Estaremos refers to us. It translates to “Next next day at this same hour we will be arriving at the house.”
Una lección
Answer is B. Una