题目内容：
下列循环语句能正常结束的是（ ）。
A．i = 5Do
i = i + 1
Loop Until i < 0
B．i = 1
Do
i = i + 2
Loop Until i = 10
C．i = 10
Do
i = i - 1
Loop Until i < 0
D．i = 6
Do
i = i - 2
Loop Until i = 1
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：