Who Is Engaged in Plagiarism

Who is engaged in plagiarism?

A) Nathan came up with a new training method, but his boss Bill claimed the idea as his own.
B) Neil bought some company stock based on inside information about the latest sales figures.
C) Taliyah used company financial data from the previous year in her presentation to stockholders.
D) Noel tells the other managers what he pays each of his employees.
E) Linda shows the company's new ad campaign to her best client.