(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
Solution:
Idiom
A is wrong due to wrong usage of such as.
B is wrong due to usage of if as well as can.
C is awkward due to if the three major networks all
E is awkward due to as when the three major networks each
D is the best choice.
Official answer-E. (Not convinced)
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