A magazine article would be the secondary source, because it usually isn't written by the person that it's about. It is written about a person, so it isn't words coming directly from the person.
C. A magazine article, should be the closest to a secondary source. A secondary source is defined as: a secondary source of information is one that was created later by someone who did not experience first-hand or participate in the events or conditions you're researching. For the purpose of research projects secondary sources generally consist of school books and articles. Hope this helps.