题目内容：
根据下列文章,请回答题。First AidFirst aid is emergency care for a victim of sudden illness or injuryuntil more skillful medical treatment is available．1t may save a life orimprove certain vital signs including pulse．temperature，a clear airway(气道)，andbreathin9．In minor emergencies，first aid may prevent a victim’s condition fromturning worse and provide relief from pain．First aid must be administered asquickly as possible．In the case of the critically injured，a few minutes canmake the difference between complete recovery and loss of life．First-aid measures depend upon a victim’s needs and the provider’s levelof knowledge and skill．Knowing what not to do in an emergency is as importantas knowing what to do．Improperly moving a person with aneck injury, for example．can lead to permanent spinal(脊柱的)injury and paralysis(瘫痪)．
Despite the variety of injuries possible，several principles of first aidapply to all emergencies．The first step is to call for professional medicalhelp．The victim，if conscious。should be reassured that medical aid has beenrequested．and asked for permission to provide any first aid．Next，assess thescene，asking other people or the injured person’s family or friends aboutdetails of the injury or illness，any care that may have already been given。andpreexisting conditions such as diabetes(糖尿病)or heart trouble．The victim shouldbe checked for a medical bracelet(手镯)or card that describes special medicalconditions．Unless the accident scene becomes unsafe or the victim may suffer furtherinjury, do not move the victim．
Firstaid requires rapid assessment of victims to determine whether life-Threatening conditionsexist．One method for evaluating a victim’s condition is known by the acronym(首字母缩写词)ABC，whichstands for．
Airway is it open and clear?
Breathingis the person breathing? Look，listen，and feet for breathing．
Circulation：isthere a pulse? Is the person bleeding externally? Check skin color andtemperature for additional indications of circulation problems．First aid may bring about all thefollowing results EXCEPT A．saving a victim’s lif
B．preventing a victim’s condition from geeing wors
C．helping a person avoid sudden illness or injur
D．relieving a victim from pai
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