Answer :
These sentences are an example of the sidebar. Thus the correct answer is C.
What is sidebar?
A smaller section of material that follows and supports a longer article is known as a sidebar. Sometimes graphically being separate, it is still relevant to the fundamental concept.
It helps consumers with complete information as additional which is not possible to add to the main text. Publications like magazines, newspapers, websites, or blogs may contain sidebars.
In the given paragraph, additional information is provided to give a better understanding to the reader which indicates it as a sidebar. Therefore, option C is appropriate.
Learn more about the sidebar, here:
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