Answer: Gu, Q., & Brooks, J. (2020). Beyond the accusation of plagiarism. System: An International Journal of Educational Technology and Applied Linguistics, 36(3), 337-352.
Explanation:
The APA style is simply a writing style that is used in citing academic documents like scholarly articles and journals.
When citing a source that has multiple authors, the authors surnames are written after which and initial is added, then a comma is added with an ampersand. Example is Gu, Q., & Brooks, J. Then the date the article was published, title of the source, the source location and then the publisher.
Therefore, based on the analysis above, the correct answer is option C.