Which of the Following Nurses Might Be Guilty of Negligence

Which of the following nurses might be guilty of negligence?

A) The nurse explains a procedure to a patient using a patient information sheet as a prompt.
B) The nurse draws blood from the patient for lab tests to be performed that day, though no one told her directly to do so.
C) The nurse eats an orange while talking with a patient in the reception area.
D) The nurse moves a patient in a wheelchair at a high speed and does not use wheel brakes during stops.