The Nurse Discusses the Patient's Condition on the Phone with the Patient's

The nurse discusses the patient's condition on the phone with the patient's brother. On learning this, the patient is upset, saying he has not spoken with his brother for years and does not want his brother to know anything about his condition. The nurse has

A) slandered the patient.
B) committed a felony.
C) breached confidentiality.
D) assaulted the patient.