Explanation: A short paper is a small work in which the author chooses a topic that makes significant contributions. Nevertheless, it must have a maximum of 4 pages of content. To summarize the whole history of Rock and Roll in America or Elvis's life would most likely get out of topic. Therefore, the topic "The influence of Elvis on Rock and Roll" would be the most appropriate for a concise and well done short paper, since it would address both of the other topics in a precise manner.
Its C Their because their is the only option refering correctly to the sentence. Read the sentence out loud with option C and you will "C" that it is correct lol
