A 43-year-old man is seen in the sexual health clinic for evaluation after a recent sexual contact was diagnosed with syphilis. This man has a prior history of injection drug use but has not injected drugs for more than 5 years. He has avoided medical care and has never had testing for HIV or hepatitis C virus (HCV). Which one of the following HCV diagnostic testing options should be performed for this man? HCV antibody screen only Nucleic acid amplification test (NAAT) for HCV RNA only HCV antibody screen with reflex HCV RNA testing if the HCV antibody test is positive Alanine aminotransferase (ALT) level with reflex HCV antibody testing if the ALT level is greater than 3 times the upper limit of normal