The speaker's motivation for discussing the death of his friend is C) Expressing his felling and coming to terms with his loss. through the poem the speaker passes by different stages of grief, he doesn't understand why was it his time to die.
The other options are not correct because A) the poem does talk about the love felt for the lost friend but doesn't focus on the meaning of it. B) even when he doesn't understand why he doesn't explore the reasons for it and D) It doesn't make a comparison between this to things.