English argumentative writing usually employs a linear rhetorical style. Please select fromthe following excerpts the one that represents a linear rhetorical style. A、Social media is negatively impacting communication because people’s time is being divided among a larger number of contacts. Modern social media has existed for around twenty years. Technologically speaking, twenty years is a long time. Social media has had both positive and negative impacts on communication. B、Modern social media has existed for around twenty years. Technologically speaking, twenty years is a long time. Social media has had both positive and negative impacts on communication. Social media is negatively impacting communication because people’s time is being divided among a larger number of contacts. C、Social media is negatively impacting communication because people’s time is being divided among a larger number of contacts. Consequently, the relationship between them and the shared acquaintance may deteriorate due to greater “competition” for attention. This, in turn, is causing a number of widespread social problems. D、---