Which of the Following Is an Example of Patchwork Theft

Which of the following is an example of patchwork theft?

A) During her presentation, Denise quoted an economics textbook without giving its author credit for it.
B) During his speech, Jordan used a paragraph from a speech given by a deceased politician.
C) For her presentation, Franka copied a speech delivered the previous year by a prominent investor.
D) Maurice copied the introduction of his speech from a book, his main points from a business magazine, and his conclusion from a blog.
E) During her presentation, Genevieve used a photograph without giving proper credit.