I believe the correct is the third option. It is important to preview sources before using them in your research because it reveals deeper concepts. Reading deeply the sources would allow you to have a deeper understanding of the sources and determine which parts of the sources are useful to your research.
i dont rlly know this one but imma go for A or B
A kind of news or article
Don't you have a dictionary
She could possibly be sad
Summary of the research paper<span />
