单项选择题

A．She is breaking her diet.
B．She is as big as a horse.
C．She is worrying about her weight.
D．She is watching horse race.
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单项选择题
Which the following sign is present, you may decide to proceed to C (chest compression)
A．The victim is unconscious.
B．You feel no pulse.
C．The chest does not rise and fall.
D．All of the above.
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