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crescent

     Although it claims to delve into political issues, television can be superficial such as when each of the three major networks broadcast exactly the same statement from a political candidate.

(A) superficial such as when each of the three major networks

(B) superficial, as can sometimes occur if all of the three major networks

(C) superficial if the three major networks all

(D) superficial whenever each of the three major networks

               (E) superficial, as when the three major networks each

答案为E，请问为什么？C错在哪里？

tianwan

C的if条件句不是举例。条件句改变了意思，表明if （not）the three major networks all时，television may （not）be superficial 。

逻辑上这样反推是错的，不过因为不是必然情况，有这个可能。