The Nurse Hears a Physician Say to the Charge Nurse

The nurse hears a physician say to the charge nurse that he doesn't want that same nurse caring for his patients because she is stupid and won't follow his orders.The physician also writes on his patient's medical records that the same nurse,by name,is not to care for any of his patients because of her incompetence.What component(s) of defamation has the physician committed?

A) Slander
B) Invasion of privacy
C) Libel
D) Assault
E) Battery