I'd say D because I think I remember that being a big part of citing works. A could be correct too. I'd look up maybe basic MLA rules and see which ones comes up first. It kinda depends on what your teach emphasizes. Though I'm pretty confident it isn't B or C
D) He didn't fight.
E) He hadn't fought at all.
F) battered and venerable
Not sure what you mean here
It has to be B, he is stuck in the past
Answer:
Mount Everest is the highest point on Earth. ... such a high altitude year round, they are accustomed to the low ... people has also come more pollution up near the summit ...