According to Labeling Theory, Why Were None of the Pseudopatients

Multiple Choice

According to labeling theory, why were none of the pseudopatients in David Rosenhan's "On Being Sane in Insane Places" discovered?

A) They all were really mentally ill, at least to some extent.
B) They were too "clean-cut" to be considered mentally ill.
C) They were well coached in the symptoms real patients would experience.
D) Psychiatry is not a real science.
E) Once a person has been labeled "mentally ill," it is very hard for anyone to see past the label.