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
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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