The textual evidence from “The Interlopers” that supports the conclusion that nature reflects the mood of the characters is D. "All round them lay a thick-strewn wreckage of splintered branches and broken twigs."
The quotation from "The Oasis: Africa" that best supports that the narrator fears he might be harmed by others in his party is B. “I fancied they looked at me with envious eye as I occasionally gulped down a mouthful of water from my skin.”