Answer:
The answer is C. has been defeated by the world around him.
Explanation:
This would be a reasonable answer, because after that sentence, he proceeds to comment on how he chaffed against his work at school, and how he answered few questions in his class, whereas in paragraph one, he states how he found joy, even whilst conducting himself in labour.
Blogs are not reviewed unlike other news sources. Bloggers simply speak their mind and take on an issue. While what they say may be supported by facts, we can never be sure of such. It is therefore recommend to refrain from using blog sources, unless these are from certain credible projects and programs and the alike. Thus, B may be the best answer.
I think it is allusion.
Hope this helps!