A. Comments have the potential to turn a news website into a democratic polyphony. B. But, there is also a danger of it descending to cacophony if readers do not express opinions in a language that behooves the requirements of a matured public sphere. C. It can become a site for multiple concurrent debates, for registering dissent, for pursuing an idea and finally for building a polity of informed choices. D. The role of the moderators is to retain the space for polyphony and reject voices that breed cacophony.
Sentence A declares that comments can turn a website into a democratic “polyphony?. Sentence C elaborates on this. Sentence B talks of the danger of “it? descending to cacophony if the language does not befit a “matured public sphere?. “It? here refers to the debates talked of in sentence C. Sentence D provides a solution to the problem addressed in sentence B. Moderators must retain the space for debate, while rejecting voices that breed cacophony. The question is " Arrange the sentences in the correct order " The order is ACBD Hence, the answer is ACBD Choice D is the correct answer.