The correct answer is C. She should include all sources in her bibliography and use in-text citations to reference them in her paper.
Explanation:
Most papers and documents related to the academic context, usually require using other sources or authors to develop in a complete and accurate way your ideas. However, as you are using someone else ideas to support your ideas this should be clear for the reader and you should recognize to whom these ideas belong. Because of this, when you use quotations (the words of an author) or paraphrasing (using other words to express the ideas of someone else) from any source including primary or secondary sources (documents, records, photographs, etc) you need to reference them in the text before or after you cite them (in-text citation) and additionally to this, at the end of the document you will need to list all the sources (reference list) including basic information about the source such as the name of the author, the date of the source and the title of it.
The name of the fallacy with the statement "The Gorps would have you believe that all you need to be happy is green beans, but those of us with heads on our shoulders know better'' is <em>argumentum ad lapidem </em>or appeal to the stone. This is the answer because the speaker is implying that the argument of Gorps is absurd but he is not providing any information or evidence that it's absurd. His only evidence is that 'those among us with heads on ours shoulders know better' and that's it.