To Establish Legal Liability on the Grounds of Malpractice, the Injured

To establish legal liability on the grounds of malpractice, the injured party must prove which of the following? (Select all that apply.)

A) A duty of care was owed to the injured party.
B) An agreement was made to assume another party's liability.
C) There was a breach of duty.
D) Causation was present.
E) Actual harm or damages were suffered by the plaintiff.