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Re: Because the discovery of the ancient letters _______ the his
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03 Oct 2017, 15:13
Explanation
The blank is about the effect of the letters on the historian’s claims. The clue is the historian must reconsider his life’s work, so the blank means disproves. Choices (B) and (D) mean makes false and produce equivalent, appropriate sentences. Choices (C) and (F) both have the opposite meaning of disproves, and can be eliminated. Choices (A) and (E) also do not mean disprove and are incorrect.
Hence options B and D fit!