单项选择题
A.Sub aa(byref x As Integer)B.Sub aa(x As Single)C.Sub aa(byval x As Integer)D.Sub aa(x()As integer)
A.常量B.表达式C.变量名D.函数名
A.Dim x()B.DimX(8)C.ReDim X(8)D.ReDim Preserve X(8)