The correct answer is B) Dustball software.
The tool can a student use to make sure his or her paper does NOT inadvertently take credit for someone else’s work is Dustball software.
This is a software that helps the student to identify plagiarism. It is very important that students write original ideas, which means, their own answers. They can check other websites, books, magazines, and the work of other authors, but they need to write their answer in their own words.