If a student wanted to consult a secondary source, the most likely option they would use is:
OD. An academic article
Academic articles are considered secondary sources because they analyze, interpret, or comment on primary sources. These articles are written by experts in a particular field and provide valuable insights and perspectives on a topic. Students often use academic articles to gather in-depth information, support their arguments, or understand complex concepts. Academic articles can be found in scholarly journals, databases, or online repositories related to the subject of interest. They offer a wealth of information and are essential for academic research and learning.