well Elie Wiesel had one main purpose for writing that novel. therefore according to his introduction, Elie knew that the Holocaust and the period of time which surrounded it "would be judged one day." Given that he recognized this, Elie believed that someone would need to "bear witness." For him, the someone was him.
The correct answer of the given question above would be option D. The sentence that is written correctly is: Doing her homework, Maya was distracted by the cat. This is a correct sentence because this is the only sentence that does not contain a misplaced modifier. "Doing her homework" phrase clearly presents that it is describing the subject "Maya".
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You are missing the excerpt, is this one?
So I called up my mentor, and I called up Andy Van Dam. And I said, Andy, I just gave a two-week assignment, and they came back and did stuff that if I had given them a whole semester I would have given them all As. Sensei, what do I do? [laughter] And Andy thought for a minute and he said, you go back into class tomorrow and you look them in the eye and you say, "Guys, that was pretty good, but I know you can do better." [laughter] And that was exactly the right advice. Because what he said was, you obviously don't know where the bar should be, and you're only going to do them a disservice by putting it anywhere. And boy was that good advice because they just kept going. . . .
In that sense, the answer would be:
Randy Pausch believes that his students, although they don't complete any task, they do have a good potential.
Hope have helped.