【单选题】You are caring for a patient with a head injury from a motor vehicle accident. While assessing the patient you notice a clear fluid draining from his nose. Which nursing action is most appropriate?
A.
Prepare to suction the patient
B.
Give the patient tissues and tell him to blow his nose
C.
Check that the HOB is at 30 degrees and continue to monitor the patient
D.
Cover the fluid with sterile gauze and call the doctor