I think the answer would be : reservar, because someone is asking Alejandro if he can reserve it.
Answer:
D.Nos vemos en el restaurante
Explanation:
a.See you later
b.just for a while
c.sure
Entonces, ¿en qué quedamos? means "So What are we gonna do?"
Nos vemos en el restaurante means ¨"I ll meet you in the restaurant"
This might not make sense but is something would say if someone asks me that.(my mother tongue is spanish)
Vamos should be correct, because when you have anything with 'nosotros' it will end in 'imos', 'emos' or 'amos.'
What do you mean? If you still need help further explain
I think it's C
because if you say B it sound wrong