Sickly and scarcely are the adverbs in this sentence. I hope this helps :)
Is this from a book? What book?
Answer:
It contains an analogy and technical language but no allusion
Explanation:
The statements described this are
- Then he rode the bike for a minute, analyzing the change in the bike's performance
- he stared for ten minutes before tightening the rear sprockets.
The answer to this question is A!