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.
Answer:
school or people at school
Explanation:
they'll make fun of you if youre too smart and they want you to be dumb most of the time for whatever reason
B. it is b because you could separate them such as: I smelled something. And I went down to the kitchen