What is most closely a theme of the poem? Answer choices for the above question

A. A victory is meaningless if the person most responsible for it isn’t there to receive credit.

B. Someone aboard the ship has murdered the Captain as it moves into harbor.

C. The narrator pays tribute to the Captain for saving the ship, and wishes he were alive to enjoy the victory.

D. That the narrator of the poem can’t figure out how to continue living without the captain.