In Which Order Will the Nurse Take the Following Actions

In which order will the nurse take the following actions when caring for a patient who develops watery diarrhea and a fever after prolonged omeprazole (Prilosec)therapy? (Put a comma and a space between each answer choice [A,B,C,D].)
A) Contact the health care provider.
B) Assess blood pressure and heart rate.
C) Give the PRN acetaminophen (Tylenol).
D) Place the patient on contact precautions.