19. The author thinks Jefferson’s reply to accusations of plagiarism was “ingeniously double-edged” (highlighted portion) because Jefferson claimed that:

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

The meaning of double-edged in the text is: ambiguous, the original text uses for to guide the reason, L46-48, that is, this explanation denies originality on the one hand, and insists that he did not plagiarize any specific text on the other hand. Item D conforms to positioning information.