How do the research questions your examination of materials

The research question is the prompt that will guide all of your research. Having a clear research question allows you to establish what your objectives are, what it is that you want to discuss, and what information you need to obtain. It also helps you establish whether some piece of information is relevant to your research or not. This will inform your examination of materials. Therefore, having a clear research question can make your text a lot more cohesive, interesting and clear.

i would pick a. i think this is more of a personal question though.