A shipmate chokes suddenly，cannot speak，and starts to turn blue. You should（）.<br>A:perform the Heimlich maneuver<br>B:make the victim lie down with the feet elevated to get blood to the brain<br>C:immediately administer CPR<br>D:do nothing until the victim becomes unconscious

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

出自：海船船员证

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