1. 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）

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

请牛人解释一下为什么选e，而c为什么不对。 万分感谢。

A.主谓不一致，each --> broadcast

B.罗索哦，加了情态动词 can，

C. 从句不是条件而是举个例子以支持论点。如果（一个例子），就推出superficial。。。--》 感觉不对.

D.主谓不一致，each --> broadcast

E; as when 可以用来举例子，such as when也可以， 根据google搜索。不同点我就不知道了

He can turn a phrase when he feels like it, too, as when he compares an Aeron chair to "the exoskeleton of a giant prehistoric insect."

He's alternately crude and outrageously funny (such as when he compares people of faith to UFO believers)