What functions do the two statements in boldface fulfill with respect to the argument presented above? A. The first follows from a mistaken conclusion about a topic in question; the second explicates the correct explanation of that topic. B. The first provides an initial conjecture; the second prevents evidence which contradicts that conjecture. C. The first serves to illuminate a contested assumption; the second offers confirmation of that assumption. D. The first identifies the cause of an erroneous conclusion; the second develops a premise to support the correct conclusion. E. The first provides detail about the original, and incorrect, school of thought; the second provides the judgment later found to be true.