Final answer:
The correct option to complete the sentence is 'El pasajero.' It refers to the passenger traveling to Barcelona at three in the afternoon.
Explanation:
El pasajero a Barcelona es a las tres de la tarde.
In this sentence, the correct option to complete it is El pasajero. The sentence translates to 'The passenger to Barcelona is at three in the afternoon.' Here, 'El pasajero' (The passenger) is the subject of the sentence.
Learn more about Completing sentences with the correct subject here:
https://brainly.com/question/50535114
