What is TRUE about individual characteristics of evidence? A. They are usually not used

What is TRUE about individual characteristics of evidence?

A.
They are usually not used in criminal cases because they are too vague.
B.
They are properties that can be associated with a group, but not a single source.
C.
They are properties associated with a common source to a high degree of certainty.
D.
They are more commonly found in real life than on fictional crime shows on television.