Answer:
The best and most correct answer among the choices provided would be C.) using many sources to study a topic
Explanation:
Research is investigating numerous sources to get the info you need.
Making a list of interesting topics will certainly <em>help</em> you do your research, but it is not actually research.
Writing about a magazine article is not doing research. It is what you do <em>after</em> research.
Using many sources to study a topic is indeed doing research. Using many sources can help you compare and contrast information that may be different depending on the source.
Looking at one page on the Internet is not doing research. You can't always trust every source, so it's best to use multiple sources to get more information, so using one page just won't do.
