In the case below, the original source material is given along with a sample of student work. determine the type of plagiarism

student version
rapid prototyping could be an advantageous methodology for developing innovative computer-based instruction. software engineers have been successful in designing applications by using rapid prototyping. so it also could be an efficient way to do instructional design.

original version
there is a design methodology called rapid prototyping, which has been used successfully in software engineering. given similarities between software design and instructional design, we argue that rapid prototyping is a viable method for instructional design, especially for computer-based instruction.

which of the following is true for the student version above?

(a) word-for-word plagiarism
(b) paraphrasing plagiarism
(c) this is not plagiarism