单项选择题

下面的语句用Array函数为数组a的各元素赋整数值:
a=Array(1,2,3,4,5,6,7,8,9)
对数组变量a的正确定义是

A) Dim a
B) Dim a As Integer
C) Dim a(9) As Integer
D) Dim a() As IntegEr