单项选择题
下面各选项组中,均是C语言关键字的组是()
A.auto,enum,include
B.switch,typedef,continue
C.signed,union,scanf
D.if,struct,type
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单项选择题
A.auto,enum,include
B.switch,typedef,continue
C.signed,union,scanf
D.if,struct,type
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