Which Best Describes Specificity

Which best describes specificity?

A) A false-negative result has a negative test result even though the disease or characteristic is absent.
B) A high number of false-negative results would produce a high specificity.
C) Specificity is the ability of a measurement to identify individuals who have negative results or who do not have the characteristic.
D) Specificity is the ability of a measurement to identify individuals who have positive results or who have the characteristic that is being measured,