I believe the answer is D (However) because C (Therefore) would not make sense as it means ‘for that reason’ or ‘consequently’, B (Then) is a time connective so that would not make sense as a transition word to connect the paragraph, and A (now) could be referred to as informal depending on how you use it, and it is commonly used as an adverb of time.
I hope this helped
I don’t know this for sure but I think it’s man vs society if it’s wrong I’m sorry I think this because he can’t get a job and job has to do with society right so if he can’t get a job during the Great Depression which was something that effected the society. So I’m thinking it’s man vs society
Synecdoche - <span>They drive their keels o'er the darkling wave</span>
Alliteration - Grim and greedy, he grasped
Kenning - The whale-path
Epithet - The Ruler-of-Man
C. They suggest that it is a dangerous enemy. I hoped this helped!