Anti-Hepatitis C Antibodies Present in a Patient's Blood Indicate

Anti-hepatitis C antibodies present in a patient's blood indicate

A) that the patient is mounting an innate response.
B) that the patient has been exposed to HIV.
C) that the patient was exposed to hepatitis C within the last 24 hours.
D) that the patient was exposed to hepatitis C at least 2 weeks ago.
E) that the patient has hepatitis.