The correct answer is'C' because it just gives us additional information,If you remove it from the sentence,it will make perfect sense.
Answer:
but sharks can't run cuz they don't have feet
Many early attempts were made to reach the top of Mount Everest; George Mallory and Guy Bullock tried in 1921.
I suppose it's D and also B, with the addition that transcendentalists believed in God as existing in the inner self from where knowledge comes. Romanticism seek for knowledge outside the self, looking up the Universe.
