Which example would be most appropriate to paraphrase? a. theodore roosevelt's adventures as a rough rider during the 1890s b. memorable quotes by theodore roosevelt that still resonate today c. theodore roosevelt's opinions on the issues of the time he was in office d. terms that were common in theodore roosevelt's time but that aren't today

C. Theodore Roosevelt's adventures as a Rough Rider during the 1890s

The answer to your question would be that the most appropriate situation to paraphrase would be the following one: Theodore Roosevelt's adventures as a Rough Rider during the 1890s  (A).  This is the case because you will be able to describe the experiences of the late 19th century US Cavalry. In addition to this, you could paraphrase their formation and early history, their equipment and training.