找考题网-背景图
单项选择题

A.perform the Heimlich maneuverB.make the victim lie do……

A shipmate chokes suddenly,cannot speak,and starts to turn blue. You should().

A.perform the Heimlich maneuver
B.make the victim lie down with the feet elevated to get blood to the brain
C.immediately administer CPR
D.do nothing until the victim becomes unconscious