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The Malbec grape, originally grown in France, has become the main varietal in Argentina. This is surprising because most Malbec grown in Argentina is grown at high altitudes, whereas the Malbec grape once was grown at low altitudes. Therefore, Argentinian winegrowers should grow the Malbec grape at low elevations.
Q. Which of the following, if true, would most weaken the conclusion of the argument?
Select the answer.
A) The Bordeaux grape is the most popular grape in France but is rarely, if ever, grown in Argentina.
B) Some varietals are unable to grow at high altitudes.
C) The soil at high altitudes is filled with nutrients that help the Malbec grape grow.
D) The Malbec vine is susceptible to phylloxera, a plant louse that only grows at low altitudes.
E) Malbec has recently enjoyed a surge in popularity, and can be found in many different countries.
정답: D
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