The Fact That Different Segments of Flu or Cold Sufferers

The fact that different segments of flu or cold sufferers will consistently seek different medications targeted at their symptoms (sore throat,nasal congestion,cough,etc. ) illustrates the use of:

A) differences that are significant.
B) differences that are meaningful.
C) differences that are stable.
D) differences that are actionable.
E) differences that are found in the sample.