Which option is a credible source?

A. An interview with the president of a construction company about safe work conditions
B. An article published by a doctor about the benefits of exercise
C. An article written by a student about the length of the school year
D. An interview with the spouse of a politician running for office

2 answers

A. An interview with the president of a construction company about safe work conditions
an article published by a doctor about the benefits of exercise