Please Read the Clinical Scenario, and Then Answer the Question

Please read the clinical scenario, and then answer the question that follow to become familiar with the traditional NCLEX question format.
Jared is a 34-year-old male who has reported several weeks of general malaise, and a low-grade fever. You are a nurse working for the public health department, and you are corresponding with Jared concerning the results of his laboratory testing.
-Jared informs you that he previously had a negative HIV PCR test performed about a month ago.What is your interpretation of this information?

A) PCRs are rarely accurate.
B) He may be lying,since the ELISA came back positive.
C) It is possible the ELISA was a false-positive,and the Western blot must be performed to confirm.
D) The HIV PCR is outdated,and does not pick up modern strains of the virus.