Zane is surprised when the instructor tells him that he has committed plagiarism. Since it was just a discussion, he didn't think he needed to include references to his source. Has Zane committed plagiarism?

a$)$ The instructor is correct; Zane's discussion post is plagiarized

b$)$ Because it wasn't a paper Zane hasn't really committed plagiarism

c$)$ Zane hasn't committed plagiarism since he was just sharing statistics from a known source