【单选题】听力原文:M: I wonder if an article like this can be translated by Mary? W: Well, if she can't translate it, no one can. Q: What does the woman imply about the article? (14)
【简答题】Corn originated in the New World and thus was not known in Europe until Columbus found it ________ in Cuba. A) being cultivated B) been cultivated C) having cultivated D) cultivating