The correct dining etiquette that should be followed at an elegant restaurant is:
- No poner los codos sobre la mesa.
Explanation:
"No poner los codos sobre la mesa" that translates <em>do not put the elbows on the table </em>is a norm of etiquette used in elegant places, the other options translates: "no dejar propina para al camarero": <em>do not leave a tip for the waiter</em>, "no hacer reserva"
: <em>do not make a reservation</em> and "no saludar al camarero": <em>do not greet the waiter</em>, are complete opposites to the etiquette, reason why are discard.
I would say Dominican Republic only because I am Dominican and my parents call my room a dormitorio, a dorm. I’m not sure how the passage can make it clear where he lives though..