A 22-year-old client is diagnosed with dependent personality disorder. Which behavior is most likely to indicate her ineffective coping

A．Inability to make choices and decisions without advice.

B．Showing interest only in solitary activities.

C．Avoiding developing relationships.

D．Recurrent self-destructive behavior with history of depression.

HLA-Ⅰ类抗原的主要功能是结合、提呈内源性抗原肽，诱导______细胞活化。