Which of the Following Is Not One of Koch's Postulates

Multiple Choice

Which of the following is not one of Koch's postulates?

A) The introduction of the microorganism to a new, healthy host causes the same disease that existed in the original host.
B) The microorganism is always found in the person with the disease.
C) after the microorganism is introduced into a healthy host who gets the disease, the same microorganism can be isolated from this patient.
D) The microorganism is susceptible to antibiotic treatment.
E) The microorganism can be isolated from an infected individual and grown in culture.