While you are passing someone on street you say Adios. This word usually means "Good-bye," but in this case it will mean as a general greeting .
Answer:
B
Explanation:
Suben al = "go up to"
Bajan del = "come down from"
The passengers come down from the train when they reach their destination.
Estas clases son bonitas pero no muy buenas.
Confianza, sinceridad, Lealtad
