A blog post published on Google by a high school student and reviewed by her friend is included as a citation in a science paper. Is this source considered a peer-reviewed paper? Why or why not? 

      A. This is considered a peer-reviewed paper because the variables used were reviewed by other scientists to make sure they were labeled correctly.  B. This isn't considered a peer-reviewed paper because peer-reviewed papers are published only in books.  C. This is considered a peer-reviewed paper because it was reviewed by a student peer.  D. This isn't considered a peer-reviewed paper because it wasn't reviewed by other scientists in the field.​