有如下VB程序段: For i = 1 To 6 a(i)= Int(Rnd*6)+ 1 Next i For i = 1 To 6 b(a(i))= b(a(i))+ 1 Next i c(1)= 1 For i = 2 To 6 c(i)= c(i - 1)+ b(i - 1) Next i 数组b各元素的初值均为0,执行该程序后,则数组c各元素的值不可能是( )
A . 1 2 5 5 6 7
B . 1 1 3 5 6 7
C . 1 3 4 4 7 8
D . 1 2 4 5 5 6
答案:C