LSAT-13-4-8

8. A history book written hundreds of years ago contains several inconsistencies. Some scholars argue that because the book contains inconsistencies, the author must have been getting information from more than one source.

The conclusion cited does not follow unless
(A) author generally try to reconcile discrepancies between sources

(B) the inconsistencies would be apparent to the average reader of the history book at the present time
(C) the history book’s author used no source that contained inconsistencies repeated in the history book
(D) the author of the history book was aware of the kinds of inconsistencies that can arise when multiple sources are consulted
(E) the author of the history book was familiar with all of the available source material that
was relevant to the history book .

答案C

C张得就像答案，C是不是说如果repeated，则only one source? 还是不是很理解。