Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. A. Cosmologists make the assumption that the universe would appear basically the same from anywhere within it. B. Cosmologists simplify their assumptions because they are basically trying to understand the whole universe. C. Cosmologists make an assumption about the universe basically in an effort to avoid stationing observers in remote places. D. Cosmologists incorrectly assumed the universe to be far simpler that it really is when viewed on a larger scale.