也就是说,D的重点在"现在的价格提高了没有?",看文章的第1句,would have--假设法,表示了现在的价格还没有提高,意思是:预测虫害"将可能"使得价格提高。 Insect infestations in certain cotton-growing regions of the world have caused dramatic increases in the price of cotton on the world market. 因此,D能weaken结论
你把文章看错了吧,文章的第1句Insect infestations in certain cotton-growing regions of the world have caused dramatic increases in the price of cotton on the world market。是have caused,前面的词是world不是would