题目内容：

No computer so far () can have the same ability as human beings.
A.be built B.having built C.being built D.built
还有“having been built”可不可以用呢?so far不是要用现在完成时的吗

优质解答

选D,built 在这里作为定语修饰computer.having been built 用在这里太罗嗦.