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 statesmen 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 答案选E,可是主语单数的话broadcast不是应该加s吗?  |