7. As rare as something becomes, be it a baseball card or a musical recording or a postage stamp, the more avidly it is sought by collectors.
(A) As rare as something becomes, be it
(B) As rare as something becomes, whether it is
(C) As something becomes rarer and rarer, like
(D) The rarer something becomes, like(E)
(E) The rarer something becomes, whether it is
16. Artificial intelligence emerged during the late 1950’s as an academic discipline based on the assumption that computers could be programmed to think like people.
为什么上面那道不可 选D呢 ?  |