Answer:
"He checked the tickets on the train."
La parada del tren is "the train stop"
Which is what he is going to.
Actually the correct answer is D. tendrá. Because A would be if you were talking about yourself. B would be if you were taking about a group including yourself, and C would be right if you were talking about a group not including yourself.
A barbecue in Paraguay is called Asado.
