Please help!

Explain how a therapist might use behavioral therapy to help a woman stop biting her nails.

A. The therapist will analyze childhood memories and experiences with nail biting.

B. The therapist will use aversive conditioning to make the experience of nail biting unpleasant.

C. The therapist will act like a mirror for the woman and will provide her with feedback and an environment that allows her to express her feelings and fears.

D. The therapist will ask the woman to meet a group of people who have similar habits since they will understand how she feels.

E. The therapist will assist the woman through systematic desensitization to help her become less anxious and reduce nail biting.