Answer: C. verifying facts and thinking about the writer's motivations.
Reading critically means that you engage deeply with a certain text, at the same time as you acknowledge its limitations. In history, it refers to thinking about the writer's motivations in order to identify instances of bias or prejudice. It also includes verifying facts to make sure you are not receiving all your information from only one source. These practices will enrich your reading experience and enhance your knowledge of history.