C is correct because they have we and a place and what they doing
An adverb that starts with e could be each or eagerly.
I can help you with a rough draft; but unfortunately i don’t have access to either of the stories so i cant cite evidence. i’m assuming you can fill in some quotes to help support?
Call of the Wild is a story (based on what i word all have read) that has a lot to do with nature (?) and survival. This ties in with Darwin’s theory of natural selection since it also has to do with evolution of nature and survival and adaptation. (assuming that Call of the Wild also requires adaptation, considering most survival stories do), Call of the Wild relates a lot in how people evolve when being put in risky situations & an outdoor environment.
Answer:
B does have the most critical tone out of all