Answers and Explanations
1)
Review Scholar B‘s arguments in ¶2. Because there‘s dirt in between the painting and the first layer of glaze, "several decades had elapsed" before the glaze was applied. What assumption is needed to bridge this evidence and conclusion? That perhaps the glaze had been applied by later workers, not Michelangelo.
Choice (D) fits. If unsure about the assumption, deny it (easy to do in this case since it‘s already in the negative) and see how the author‘s argument collapses.
(A): Out of Scope. The glaze was laid down decades after the painting, not the dirt.
(B): Out of Scope. The solvents don‘t factor in to this part of the argument.
(C): Opposite. The scholar is arguing that Michelangelo didn‘t lay the glaze at all.
(D): The correct answer
(E): Incorrect, as described above.
2)
Paraphrase Scholar B‘s argument here. It helps to think of this in the traditional view/new view framework. The traditional view was that Michelangelo was a rebel.
Why? The Sistine colours were dark and gloomy. What has to be true based on this? That gloominess wasn‘t the style of the time (and therefore Michelangelo was a rebel). Therefore Scholar B, arguing against the traditional view, would then say that gloominess was the style. (C) immediately rewards careful and efficient thought.
(A): Distortion. Scholar B is arguing that Michelangelo wasn‘t a rebel against bright colors, but that doesn‘t mean that he wasn‘t an independent thinker.(B): Out of Scope. The artist‘s reputation isn‘t built exclusively on his rebellious nature.
(C): The correct answer
(D): Distortion. This is tempting, but the use of gloomy colours doesn‘t necessarily indicate a negative trait.
(E): Out of scope.
3)
Review Scholar A‘s points in the last paragraph about the new darkening. The scholar makes a direct point: pollution has caused the darkening. What is a possible assumption in this? That nothing else could have been the cause. While two Roman numerals have nothing to do with the scholar‘s argument, RN I quickly jumps out as a necessary assumption. If other factors could have caused the darkening, Scholar A‘s argument is severely weakened. RN II is never suggested, nor would it be a concern of Scholar A. RN III simply has no support in the passage.
(A): The correct answer
(B): Opposite. As described above.
(C): Opposite. As above.
(D): Opposite. As above.
(E): Opposite. As above.