Fatema is a veterinary scientist who is speaking with a colleague. She tells him that she is currently studying zoonotic disease in order to pinpoint the moment that the disease mutates to make the jump from animals to humans. Considering her topic, what question will her colleague MOST likely ask?

A.
Where did you get your samples?

B.
How will you isolate the virus?

C.
Which zoonotic disease?

D.
Why study zoonotic disease?