Vitamins and minerals in a multivitamin form.

The nurse is reviewing the laboratory results of a client who reports taking five times the recommended daily allowance of vitamins and minerals in a multivitamin form. Which finding indicates a possible vitamin D overdose?

A. Serum glucose 170mg/dL (9.4 mmol/L)

B. Sodium level 140 mEq/L (140 mmol/L)

C. Total calcium level 12 mEq/L (6 mmol/L)

D. Total bilirubin 4 mg/dL (17 micromo/L)