Provide full access to the parents because they have legal authority over a minor's medical records.

Refuse all access because the patient's right to confidentiality is absolute regardless of age.

Assess the applicable state law regarding minor consent and confidentiality, and navigate the situation by sharing general treatment information with the parents while protecting the therapeutic content the patient wishes to keep private, to the extent permitted by law.

Tell the patient that nothing discussed in therapy is confidential from her parents.