Which scenario is an example of plagiarism?

A.
John is making a poster to describe various styles of jazz music. He finds useful information in three different journal articles and puts them all in his reference page.
B.
Lily is compiling research on women’s suffrage for a history project. She notes the details of each source she consults and includes them in her Works Cited page.
C.
Kayla is creating a presentation on ancient Egyptian culture. She paraphrases a paragraph from her textbook and puts it in one of her slides.
D.
Aaron is writing a paper about the economy. He quotes statistics and commentary from a financial expert, then puts the expert’s name in parentheses at the end of the quote.