Some robots are to do the same things people. Aenough smart asB. enough smart with

问题补充：

Some robots are to do the same things people.

Aenough smart, as

B. enough smart, with

C. smart enough, as

D. smart enough, for

答案：

A. enough smart, as

B. enough smart, with

C. smart enough, as

(答案→)D. smart enough, for

解析：句意：一些机器人足够聪明可以为人类做同样的事情。enough修饰形容词和副词时必须要后置，for表示“为了，为”；故选D。