语句 Dim Arr（－2 To 4)As Integer 所定义的数组的元素个数为_________。A．7B．6C．5D．4
语句 Dim Arr（－2 To 4)As Integer 所定义的数组的元素个数为_________。
A．7
B．6
C．5
D．4
参考答案和解析
A
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