A conscious victim who has suffered a blow to the head has symptoms that indicate the possibility of concussion. If the patient feels no indication of neck or spine injury,recommended treatment would include().
A:turning the victim's head to the side to keep his airway open
B:positioning the victim so the head is lower than the body
C:giving the victim water if he is thirsty,but no food
D:elevating the head and shoulders slightly with a pillow
出自:海船船员证