Positive and Normative Statements Differ in That

Positive and normative statements differ in that

A) positive statements can be tested, whereas normative statements cannot.
B) normative statements depict ʺwhat isʺ and positive statements depict ʺwhat ought to be.ʺ
C) normative statements can be tested, whereas positive statements cannot.
D) normative statements never use the word ʺshould.ʺ