If the patient vomits during mouth-to mouth resuscitation,the rescuer should FIRST().
A.
ignore it and continue mouth-to-mouth ventilation
B.
pause for a moment until the patient appears quiet again,then resume ventilation mouth-to-mouth
C.
switch to mouth-to-nose ventilation
D.
turn the patient's body to the side,sweep out the mouth and resume mouth-to-mouth ventilation