Some domains such as .com, .org, and .net can be purchased and used by any individual. However, the domain .edu is reserved for colleges and universities, while .gov denotes a government website. These two are usually credible sources for information (though occasionally a university will assign a .edu address to each of its students for personal use, in which case use caution when citing). Be careful with the domain .org, because .org is usually used by non-profit organizations which may have an agenda different than educating.
Answer:
I think it is C I don't see the need for using the punctuation marks
You need to write the main idea of each paragraph of the story and if all the mean ideas are about the same topic then you got the main or central idea of the story.
I think B is your best choice for this question
