[单选题]

下列程序中,第一个Do语句共执行了()次循环。

Dim i As Integer, j As Integer

i = 1 Do

j = 1

Do

Sum = Sum + j

j = j + 2

Print j;

Loop Until j > 3

i = i + 2

Loop Until i > 10

Print Sum

A . 10

B . 20

C . 5

D . 7

参考答案与解析:

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