YouhaveconfiguredaccessibilityoptionsforTom.Everythingworksfine.YouwanttoconfigurethatwhenTomwantstouseCTRL，ALTorShiftkeysimultaneously，heshouldhastheoptiontopressonekeyatatime？WhatshouldyoudotoprovidethisfeaturetoTom？（）
A.TurnonFilterKeys,thiswillallowaccessibilityoptionstobeturnedonatwill.
B.Inaccessibilityoptionsonthegeneraltab,enableturnoffaccessibilityfeaturesafteridlefor xxminutes.
C.FromtheKeyboardtaboftheaccessibilityoptionapplet,checktheStickyKeyscheckbox,this willsaveallaccessibilityoptionswhenyouexitthecontrolpanelapplet.
D.Inaccessibilityoptionsonthegeneraltab,disableturnoffaccessibilityfeaturesafteridlefor xxminutes.
参考答案：C
