Answer:
Parallelism - “We have petitioned; we have remonstrated; we have supplicated.” example: “And what have we to oppose [the British government]? Shall we try argument?” His point: we have nothing to fight them with because arguments don't work.
This isn't a great story, to be quite honest. The story focuses less on the ways man used to start fires and more on the ways that nature started fires independently of humans.
That being said, it would seem as though the author is trying to express the fragility of fire early on, and it does seem as though he/she is saying that early on, humans just found a small amount of fire from a really dangerous origin to use as a kindling.
For sure, your answer should come from the second paragraph, which is the paragraph describing early kindling methods.
The answer is C. most active
The superlative form means that among the items being compared, that items is the "most" or "least" of them all.