The MELD score is used to assess the severity of chronic liver disease. It includes which of the following set of laboratory values?

A) Alanine transaminase (ALT), aspartate transaminase (AST), total bilirubin
B) Platelet count, serum creatinine, INR
C) Serum bilirubin, serum creatinine, INR
D) PT, PTT, serum bilirubin, platelet count, albumin