Answer:
A) will osten started to be concerned about the alleged plot to take over the ship
If you think about theme and understand what it is then you read the paragraph or sentence that you are reading then you will know exactly the theme of the story.
D. Parallelism
Based on Your dictionary, it states: “Parallelism has slightly different meanings, depending on the context, but it’s about balancing the weight or structure of ideas and phrases. In rhetoric, parallelism means balancing two or more ideas or arguments that are equally important.”