The correct answers are A) analysis, B) reporting conclusions, C) making theories, and D) classifying data.
These are steps in the historical method: Analysis: to check all the sources and their availability to do the research. You have to make a general assessment of the topic at hand. Then, making theories: for what you have done in the first step, you are going to have a couple of theories to start from. This is going to give some paths to follow. Nex, classifying data: it is very important that you have parameters to decide what information is useful and what source is valid to take it into consideration. You classify data in order of importance or chronologically. And finally, after you elaborate your arguments, you have to report conclusions that summarizes your research and confirm or not what you wrote in your thesis statement.