What inference can you make from the last four lines of the poem?

Responses
A The speaker is no longer concerned about his future.The speaker is no longer concerned about his future.
B The speaker was a fisherman for years and regrets this occupation choice.The speaker was a fisherman for years and regrets this occupation choice.
C The speaker has struggled with madness and restlessness and wants to end his life.The speaker has struggled with madness and restlessness and wants to end his life.
D The speaker prefers to risk madness rather than endure the torture of a meaningless life.

D The speaker prefers to risk madness rather than endure the torture of a meaningless life.