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单选题
执行语句 Dim X, Y as Integer 后，（）
A
X和Y均被定义为整型变量
B
X和Y被定义为变体类型变量
C
X被定义为整型变量，Y被定义为变体类型变量
D
X被定义为变体类型变量，Y被定义为整型变量
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单选题执行语句Dim X，Y As Integer后，（ ）。A
X、Y均被定义为整型变量B
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X被定义为整型变量，Y被定义为变体类型变量D
X被定义为变体类型变量，Y被定义为整型变量
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