After Starting an Antiviral Protease Inhibitor, a Patient with HIV

After starting an antiviral protease inhibitor, a patient with HIV telephones the nurse, complaining, "I'm so hungry and thirsty all the time! I'm urinating 10 or 12 times a day." The nurse recognizes these findings to be consistent with:

A) pancreatic infiltration by HIV.
B) allergic reaction.
C) nonadherence to the antiviral regimen.
D) hyperglycemia.