Answer:
The source which would be considered most credible for the project is the following one:
B. A professor’s article about the ways that life mirrors popular culture.
Step-by-step explanation:
It is an article, that is, it is supposed to contain serious information, as well as insights on a particular topic. If we are talking about how modern media impacts society and we seek credibility, the best source is the professor's article, since it is about how popular culture influences the way people live, that is, how it affects the way society behaves and the choices people make.