Which Statistical Method Should Be Used to Answer the Following

Which statistical method should be used to answer the following question?
"The published mean for albumin for young adult males is 4.7 mg/dL.A laboratory tested 25 young adult males and found a mean albumin of 4.6 mg/dL ±0.15 mg/dL.Is the mean for the laboratory different from the published mean at the 5% probability level?"

A) t-test
B) unpaired t-test
C) paired t-test
D) linear regression