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 SumA10B20C5D7
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
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