If I had to pick any of these I would pick C.) Relief because in the text the speaker says,"<span>I have been half in love with easeful Death</span>" Which doesn't seem very horror filled or teeming with anxiety. Let me know if this helped.
At the beginning of the story he preferred to spend his time browsing social media, but at the end of the story he was more than ready for the next adventure.
A) Perky is one of those adjectives that sounds like what it means: cheerful and lively. Language like this helps bring color and depth to a reading and makes it come alive.