Question

you are approaching a railroad crossing that has gates with red lights and bells. the red lights have started to flash, but the gates are still open; select a letter to choose your answer. a you must stop at the crossing. the gates will close soon, and it is against the law to drive around or under a gate that is closing, closed, or opening. b you should slow down and look for the train. if the train is still far away, you should drive across the tracks. c you should continue at the speed limit and drive across the railroad tracks if the gates have not yet started to close.

Explanation:

Cuando las luces rojas en un cruce ferroviario empiezan a parpadear, incluso si las barreras aún están abiertas, es debido a que un tren se aproxima y las barreras se cerrarán pronto. Es ilegal y peligroso intentar cruzar en estos casos. Se debe detener.

Answer:

A. You must stop at the crossing. The gates will close soon, and it is against the law to drive around or under a gate that is closing, closed, or opening.