A social work supervisor receives a subpoena from the court to testify in a court hearing for a client accused of child abuse. The social worker should FIRST:
A) Contact the client and discuss the situation before responding to the subpoena.
B) Consult with the agency's legal counsel to seek guidance on how to proceed.
C) Decline the subpoena and refuse to testify to protect client confidentiality.
D) Immediately appear in court and provide testimony without any preparation.