语法与词汇 ______ exerted by tornados that they have been known to lift railroad locomotives off their tracks.
【正确答案】 D
【答案解析】本题考查的是so/such. . . that的倒装句。 so/such连同它所直接修饰的成分共同位于句首表示强调时， 主句要进行倒装，that后面的结果状语从句不倒装。