Even though there aren't any underlined words, you can still clearly see that the pronoun used is third person. This is because The narrator is talking about Mr. Phillips, and is not using pronouns like "I" and "we", which would be first person, or "you" and "you're", which would be second person.
I myself haven't read or watched Titanic. But I think the answer is either B or D. You should try to find the answer among these two. Good luck!
In Why, You Reckon the narrator and the other man don't hold Edward for ransom because they just were interested in the money he had.
I would say the motivation for not doing so was external since they were hungry and taking the time for holding Edward would have taken a lot of time.
The plot includes events that make up the story.