Which of the following would best paraphrase the opening sentence? A. By the late 1800s, much of the scientific community felt it had completed the majority of its work and minor revisions were its only remaining task. B. By 1900, few scientists were still making significant discoveries, and most projects were revising current theories. C. At the end of the 19th century, scientists were concerned that they had run out of discoveries to make and could only perfect already proven theories. D. By 1900, the scientific community had declared that it had come to understand the natural laws of the universe. E. At the end of the 19th century, scientists ceased trying to formulate new theories.