Read this excerpt from When Birds Get Flu and Cows Go Mad! How Safe Are We?. 24/7: And working with the CDC has allowed you to do that?
DR. SCOTT DOWELL: Right. I joined the CDC as an epidemic intelligence service officer. We’re like medical detectives. We’re the ones who run to a country when we hear about an outbreak of disease. Usually, the nation’s government asks us for help. Their people are dying and they need outside aid.

How could a video best build on the idea of “disease detectives” from the interview?

A - A video could define the work that epidemic intelligence officers do for the CDC.
B - A video could show epidemic intelligence officers collecting clues about diseases.
C - A video could explain that governments often ask epidemic intelligence officers for help.
D - A video could show Dr. Dowell, an epidemic intelligence officer, answering the question.