Answer:
B. He feels that he and Hillary were equals and that they could not have climbed Everest without eachother's help.
The word "either" is a correlative. The answer is D. This is because a correlative conjunction connects two nouns and ideas that relates to each other. Either uses "or" so it connects two choices in one situation.
overall tone: foreboding
words that help establish tone: sickly prey and shadows
how they create tone: they have dark, ominous connotations
i just answered this question on ed so i know this is correct :)
