单项选择题

下列程序的运行结果为( )。   Dim a(-1 To 6)   For i=LBound(a,1)To UBound(a,1)     a(i) = i   Next i   Print a (LBound(a,1));a(UBound(a,1))

A. 0 0
B. -5 0
C. -1 6
D.0 6