The most possible answer is either D or A.
In both cases, it's quite sure that these words "grieving, sigh, blight" all represent a more sorrow deviation or a more deepened mood. The best answer of the two would probably depend on how you view the poem, either as one with a hopeful mood or one with a sorrowful mood.
You didn’t show the paragraph but cool
Trip is the noun. Trip is a noun. By definition it is a noun.
I think its A but im not 100% sure. Hope this helps :)