With no explanation, chose the best option from "A" or "B". Kara is reading through articles for her research paper for her history class and finds an obscure website with thoroughly-written articles. Kara wants to finish writing her research paper.

A: Kara copies some paragraphs from the website to her final research paper and submits it.
B: Kara uses the website in her research paper and properly cites it as a material source.
B.