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下面程序段的运行结果()Dim a As Integer,b As Integera=23;b=12Do Wh……

下面程序段的运行结果()
Dim a As Integer,b As Integer
a=23;b=12
Do While a>b
a=a-b
Loop
Do While b>a
b=b-a
Loop
Print a+b



A.23
B.2
C.12
D.35