Tren
It is most likely train because spain is known for common transport by trains. Considering that it asks "qué hora sale el próximo" (when the next one comes) it probably isn't talking about a plane.
Hello There!
15: B
16: C
17: C
18: C
19: D
20: B
Hope This Helps You!
Good Luck :)
- Hannah ❤
Answer: "podría traerme la cuenta porfavor?"