It is definitely not B nor D because those two have negative meanings. It can't be C because excessive means "beyond the usual", which has a slightly negative meaning.
The answer should be A, conversational.
It is not. Evaluation is a systematic determination of a subject's merit, worth and significance, using criteria governed by a set of standard's. It can assist an organization, program, project or any other intervention or initiative to assess any aim, realisable concept/proposal, or any alternative, to help in decision-making; or to ascertain the degree of achievement or value in regard to the aim and objectives and results of any such action that has been completed.
Society tends to mistreat someone or something that does not follow its ordinary norm, whether it's ethnicity , cultural , ideology, or even merely physical difference. The excerpt address the exact issue
The correct answer is C.
A dystopia is a "futuristic, imagined universe in which oppressive societal control and the illusion of a perfect society are maintained through corporate, technological, moral, or totalitarian control". It is the opposity of an utopia.
A world that has plunged into chaos because of the government removing the right to electricity from rebel communities is an example of a scenario for a dystopian story, since it shows how the oppresion of the government leads to a disastrous change on society's functioning. And it also shows how this scenario is maintained by the government's totalitarian control.
The rest of the answers, in which people disappear, aliens replace teenagers and a genius boy is discovered living in a library cellar, would make for good sci-fi scenarios rahter than dystopian societies.
