The correct answer is not A. Im sorry to say this but the correct answer is B. por la puerta de embarque (which will by by the gate). If you use the A option there would be a grammatical mistake putting the word "por" before something that makes no sense. Im a native spanish speaker and a teacher so believe the better way to say is por la puerta de embarque
The answer that goes in the blank is quiere:)
Answer:
sucedió
ocurrió
Explanation:
there are multiple ways to say this! here are 2.
