The Nurse Has Been Caring for a Client with a Diagnosis

The nurse has been caring for a client with a diagnosis of depression. The client says to the nurse, "I wish you would just be my friend." The appropriate response by the nurse is:

A) "I am your friend."
B) "Our relationship is a therapeutic and helping one."
C) "I can't be your friend. I'm the nurse, and you're the client."
D) "You have plenty of friends. You don't need me to be your friend, too."