Answer choice A

Is it because A said the second person himself is biased, rather than the one who detect the bias?

@Kath, Let's look at (A) and (E). (A) says, "displays the same kind of biased thinking as that against which Lenore’s argument is directed" The problem with (A) is that the bias that Lenore is arguing about is with regard to historical writing from a historical perspective, whereas Victor actually shows no evidence of bias. Thus, we can get rid of (A). (E) says, "overlooks the possibility that those who detect and identify bias are themselves biased in some way" (E) is spot on with why Victor's response doesn't succeed as a rebuttal of Lenore's argument. The problem is that the people who are spotting bias and/or aware of it could still be biased themselves, so this is why (E) is the correct answer choice. Does this make sense? Let us know if you have any other questions!