Final answer:
The movie about two teenagers boarding the Titanic has the most tension due to the audience's knowledge of the ship's fate.
Step-by-step explanation:
The story that has the most tension is the movie about two teenagers who board the Titanic, which the audience knows will sink. In this story, there is a constant sense of impending doom and suspense as the audience anticipates the tragic fate of the characters. The knowledge of the ship's impending sinking creates tension throughout the film.
Learn more about Tension in a story