Well I can answer what the word beast suggests about the text.
I think it is suggests that they don't know much about the people of Mars, the life forms that lived there so they are frightened of them. They know that they are intelligent, or were, but also acknowledge how the planet is nearly impossible to sustain life with all of its water frozen.
Hope that helped, I don't know much about English class in highschool yet so I wasn't sure exactly how to answer the question.
May 18, 2017 - Because they take the significance away from YOU! All of us live our lives thinking that we're important, glorious beings in the fabric of the universe. And that couldn't be more false. We're tiny specks of dirt in this giant universe and embarrassing moments prove that! They take the significance - the ego away
Should be A if I remember right