Final answer:
The best treatment for a 60-year-old man with symptoms of liver disease due to alcohol consumption is interferon. Correct option is 2.
Step-by-step explanation:
The best treatment for a 60-year-old man with a history of alcohol consumption and symptoms of liver disease is interferon, specifically interferon alpha 2b. Interferon is commonly used in the treatment of chronic hepatitis virus infections, including hepatitis C.
Antiviral medications such as lamivudine can also be used for chronic infections. In severe cases, liver transplants may be necessary.