After George learned that Mrs. Min suffered from schizophrenia, he mistakenly concluded that her tendencies to laugh easily and smile frequently were symptoms of her disorder. This best illustrates the__________.

A) unreliability of DSM-IV-TR.

B) shortcomings of the medical model.

C) biasing power of diagnostic labels.

D) dangers of the biopsychosocial approach.

E) impact of expectations on another's behavior.