单选题
______ that they may eventually reduce the amount of labour needed on construction sites by 90 percent. A. So clever are the construction robots B. So clever the construction robots are C. Such construction robots are clever D. Such clever construction robots are
【正确答案】
A
【答案解析】[解析] so clever are the construction robots为倒装句，由SO修饰的形容词或副词放在句首时一般要用倒装语序，后面跟表示结果的that从句。