Concerning pure extroversion and pure introversion, it is more accurate to say?

A) classifying people into two or three more types is more informative than rating people
B) that knowing if someone is extroverted or introverted tells you a little about how conscientious, kind or open to new ideas the person is
C )each of these types is a specific collection of maladaptive trait
D) these categories are not type but ways to define a person’s characteristics