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X50. Crops can be traded on the futures market before theyare harvested. If a poor corn harvest is predicted,prices of corn futures rise; if a bountiful corn harvestis predicted, prices of corn futures fall. This morningmeteorologists are predicting much-needed rain forthe corn-growing region starting tomorrow. Therefore,since adequate moisture is essential for the currentcrop's survival, prices of corn futures will fall sharplytoday.[c1]

Which of the following, if true, most weakens theargument above?

(A)[c2] Corn that does not receive adequate moistureduring its critical pollination stage will notproduce a bountiful harvest.

(B) Futures prices for corn have been fluctuating[c3]more dramatically this season than last season.

(C) The rain that meteorologists predicted fortomorrow is expected to extend well beyond thecorn-growing region .[c4]

(D) Agriculture experts announced today that adisease that has devastated some of the corncrop [c5]will spread widely before the end of thegrowing season.D

(E) [c6]Most people who trade in corn futures rarelytake physical possession of the corn they trial
求解 C