According to a Review of the Empirical Evidence for Bias

According to a review of the empirical evidence for bias in clinical judgment (Garb,1997) ,

A) lower socioeconomic status patients are judged to be more seriously disturbed than those of higher socioeconomic status.
B) middle class patients are more likely to be referred for psychotherapy than lower-class patients.
C) both of the above
D) neither of the above