"People with Psychological Disorders Behave in Bizarre Ways and Are

"People with psychological disorders behave in bizarre ways and are very different from normal people." Which statement best relates to the previous statement

A)  People with psychological disorders are bizarre but not very different than most people. 
B)  This is a stereotype of people with mental illness which is never true. 
C)  This is only correct in a small minority of cases. 
D)  This statement is correct in most cases.